Introduction

Online attacks can destroy reputation, disrupt work, terrify families, and push victims into silence. In the Philippine setting, the law does provide remedies, but they are spread across several sources: the Revised Penal Code, the Cybercrime Prevention Act of 2012, the Safe Spaces Act, the Anti-Photo and Video Voyeurism Act, the Data Privacy Act, the Anti-Wiretapping Act, the Rules of Court, and related civil-law doctrines on damages and injunctions. The problem is that “online harassment” is not always a single crime. A smear post may be cyber libel. A campaign of repeated threats may amount to grave threats, unjust vexation, or gender-based online harassment. Doxxing or nonconsensual sharing of private images may trigger privacy, voyeurism, or special penal laws. Impersonation, hacking, and fake accounts can bring in cybercrime rules beyond libel.

This article explains, in Philippine context, the legal remedies available for cyber libel and online harassment, how these remedies interact, what a complainant must prove, what evidence matters, what defenses may be raised, where complaints may be filed, and what outcomes are realistically available.

I. Core Legal Framework in the Philippines

The main legal pillars are these:

1. Revised Penal Code provisions on libel and related offenses Traditional libel is punished under the Revised Penal Code. The classic rules on defamatory imputation, publication, identifiability, and malice remain central.

2. Republic Act No. 10175, the Cybercrime Prevention Act of 2012 This law covers crimes committed through information and communications technologies. It expressly recognizes cyber libel by adopting the libel definition from the Revised Penal Code when committed through a computer system or similar means.

3. Republic Act No. 11313, the Safe Spaces Act This is highly relevant when online harassment has a gender-based or sexual component. It covers acts committed through technology, including unwanted sexual remarks, misogynistic, transphobic, homophobic, or sexist slurs, invasion of privacy through online means, threats, stalking, and other gender-based online sexual harassment.

4. Republic Act No. 9995, the Anti-Photo and Video Voyeurism Act of 2009 This applies when intimate photos or videos are captured, copied, sold, published, broadcast, or shared without consent.

5. Republic Act No. 10173, the Data Privacy Act of 2012 When harassment involves doxxing, unauthorized disclosure of personal data, misuse of private information, or unlawful processing, the Data Privacy Act may provide administrative, civil, and criminal consequences.

6. Revised Penal Code provisions on threats, coercion, unjust vexation, slander, slander by deed, alarms and scandals, identity-related fraud, and related acts Depending on the facts, online conduct may fit offenses other than libel.

7. Civil Code provisions on human relations and damages Articles on abuse of rights, acts contrary to morals, good customs, or public policy, and protection of privacy and dignity may support civil actions for damages even when a criminal case is weak, pending, or not pursued.

8. Rules on provisional remedies and injunctive relief Victims sometimes need immediate court relief to stop continuing harm, especially in cases involving intimate images, impersonation, fake accounts, or repeated publication.

II. What Is Cyber Libel?

Cyber libel is essentially libel committed online.

Traditional libel in Philippine law consists of:

a defamatory imputation of a crime, vice, defect, act, omission, condition, status, or circumstance;
made publicly;
directed at an identifiable person;
with malice, whether presumed or actual, depending on the circumstances.

When the defamatory statement is made through a computer system, social media platform, website, messaging service, email, blog, forum, or similar electronic channel, it may become cyber libel.

A. Essential elements

A complainant generally needs to show:

1. Defamatory imputation The statement must tend to dishonor, discredit, or expose a person to public hatred, contempt, or ridicule. It does not have to accuse the person of a crime. Calling someone corrupt, a scammer, adulterous, mentally unstable, infected with disease, professionally incompetent, sexually immoral, or abusive can be defamatory depending on context.

2. Publication The statement must be communicated to someone other than the person defamed. A public Facebook post, X post, TikTok caption, YouTube video, Viber group message, email sent to several people, or online article usually satisfies publication.

3. Identifiability The victim must be identifiable, even if not named, as long as readers can reasonably determine who is being referred to.

4. Malice Philippine libel law traditionally recognizes malice in law in defamatory imputations, subject to exceptions such as privileged communications. Where the subject is a public official or public figure, or where constitutional free speech concerns are strong, the issue of actual malice becomes more important.

B. Online repetition and sharing

One of the most litigated issues in cyber libel is whether every share, repost, comment, retweet, or hyperlink is separately punishable. The safest practical rule is this: original authors are most exposed, while liability of those who merely react, share, or engage depends on their participation, intent, and how the platform functioned. A person who republishes a defamatory claim and adds endorsement, repetition, or fresh defamatory content may create separate exposure.

C. Public figures and matters of public concern

Philippine law protects speech on public issues. Criticism of public officials, reporting on public controversies, and fair comment on matters of public interest enjoy greater constitutional protection. Still, false factual accusations presented as truth can remain actionable.

D. Opinion versus fact

Pure opinion is generally safer than an assertion of fact, but merely labeling something an “opinion” does not immunize it. Saying “In my opinion, she stole company funds” still communicates a factual accusation. Context matters.

III. What Counts as Online Harassment?

“Online harassment” is a broad practical term, not always a single statutory offense. In Philippine practice, it may include:

repeated insulting, abusive, or humiliating messages;
threats of violence or exposure;
stalking through digital means;
creation of fake accounts to impersonate or mock;
nonconsensual sharing of private photos, videos, or sexual content;
doxxing or publication of addresses, phone numbers, workplace details, or family information;
coordinated smear campaigns;
sexually explicit comments, propositions, and harassment;
extortion using intimate material;
hacking into accounts to post harmful content;
cyberbullying;
persistent contact intended to alarm, coerce, or torment.

The legal classification depends on the exact act, not the label used by the victim.

IV. Criminal Remedies

A. Cyber Libel

This is the most obvious criminal remedy when the injury is reputational and the defamatory statement was published online.

When it fits

Cyber libel is strongest where there is:

a specific false allegation;
public posting or wide dissemination;
clear identification of the victim;
measurable reputational harm.

Problems in practice

Cyber libel is sometimes overused in ordinary arguments, bad reviews, political criticism, whistleblowing disputes, and family conflicts. Not every rude, harsh, exaggerated, or emotional post is libelous. Courts look at the total context.

B. Traditional Libel or Oral Defamation in Hybrid Situations

Sometimes the same attack appears both online and offline. A livestream, recorded rant, reposted voice clip, public speech uploaded online, or simultaneous printed and digital publication may implicate more than one theory. A prosecutor will usually determine the best charging framework.

C. Grave Threats, Light Threats, Coercion, and Unjust Vexation

When the conduct is less about reputation and more about fear, pressure, or torment, these offenses may matter.

Examples:

“I will kill you if you report me.”
“I know where your child studies.”
repeated menacing messages intended to alarm;
coercive demands backed by exposure of secrets or intimate content;
harassment that has no clear libel element but causes distress.

These may coexist with cyber libel if the offender both defames and threatens.

D. Safe Spaces Act: Gender-Based Online Sexual Harassment

This law is one of the most important modern remedies for victims of online abuse, especially women and LGBTQIA+ persons targeted through digital platforms.

Conduct that may fall under it includes:

misogynistic, transphobic, homophobic, or sexist slurs;
persistent unwanted sexual remarks;
threats to release sexual content;
nonconsensual sharing of intimate images or videos;
stalking or surveillance with sexualized or gendered intent;
online comments meant to shame, control, or intimidate based on sex, sexual orientation, gender identity, or expression.

This remedy is often stronger than a pure libel theory when the abuse is sexualized, repeated, and power-based.

E. Anti-Photo and Video Voyeurism Act

Where the harassment involves intimate material, this law can be decisive. It typically covers:

taking private sexual or intimate images or videos without consent;
copying or reproducing such material;
selling, distributing, publishing, or broadcasting it;
sharing it online or through messaging apps without the subject’s written consent.

This law is especially potent in revenge-porn scenarios, breakup extortion, and group-chat dissemination.

F. Data Privacy Act

Harassment frequently includes unlawful disclosure of personal data:

home address;
mobile number;
email;
school or workplace;
government ID details;
medical data;
family information;
private chats or records obtained without lawful basis.

Where personal information is processed or disclosed unlawfully, the victim may seek remedies through the National Privacy Commission and, when appropriate, pursue criminal or civil relief.

G. Identity Fraud, Unauthorized Access, and Other Cybercrime Offenses

If the offender hacked an account, took over a profile, altered credentials, created a fake account to deceive others, or accessed data without authority, the case may involve other cybercrime provisions beyond libel. In some cases, account compromise is the primary offense and the defamatory posting is secondary.

H. Anti-Wiretapping, if Private Communications Were Illegally Recorded

If the harasser secretly recorded private calls or communications and used them for online humiliation or coercion, anti-wiretapping issues may arise. Admissibility of such recordings can become a major problem.

I. Child Protection Laws

If the victim is a minor, additional laws on child abuse, exploitation, obscenity, and child sexual abuse material may apply. The treatment becomes significantly more serious.

V. Civil Remedies

Criminal prosecution is not the only path. In many cases, the most practical remedy is civil.

A. Damages for Defamation

A victim of cyber libel or online harassment may pursue damages, including:

moral damages for mental anguish, anxiety, besmirched reputation, wounded feelings, and social humiliation;
exemplary damages in proper cases where conduct was wanton, oppressive, or malevolent;
actual or compensatory damages if losses can be proven, such as lost clients, lost employment, therapy expenses, security expenses, or costs of reputation management;
nominal damages in some situations;
attorney’s fees and costs, when justified.

Civil relief is valuable where the victim wants compensation and vindication, not only punishment.

B. Civil Code Human Relations Provisions

Even if the facts do not perfectly fit libel, the Civil Code may still help. A person who willfully causes injury in a manner contrary to morals, good customs, or public policy may incur liability. Abuse of rights and violations of dignity and privacy can support recovery.

This matters in cases involving:

campaigns of humiliation;
public shaming by former partners;
selective exposure of private information;
professional sabotage;
fake allegations used to destroy livelihood;
digital mobbing that is tortious even if the criminal theory is debatable.

C. Injunction and Restraining Orders

A victim may seek court intervention to stop continuing publication or repeated harassment. This is sensitive because of free speech concerns, but injunctive relief becomes more plausible when the material is plainly unlawful, such as:

intimate images shared without consent;
impersonation accounts;
disclosed personal data that puts safety at risk;
repeated threats;
extortionate publications;
obvious fraudulent misuse of identity.

The victim may ask for a temporary restraining order or preliminary injunction in proper cases. Courts are cautious where the requested order would restrain speech, so the legal theory and evidence must be strong.

D. Separate Civil Action

Depending on procedure and litigation strategy, a victim may:

file a criminal complaint with civil liability deemed included unless waived or reserved; or
reserve and pursue a separate civil action.

Strategic choice matters. Some complainants want faster takedown and damages; others prioritize criminal accountability.

VI. Administrative and Regulatory Remedies

A. National Privacy Commission

Where personal data was unlawfully processed, leaked, exposed, or weaponized, the victim may file a complaint before the National Privacy Commission. This is especially useful for doxxing, disclosure of IDs, addresses, contact numbers, medical records, screenshots of private databases, and employer-related data misuse.

B. School, Workplace, and Professional Complaints

If the harasser is a co-worker, superior, teacher, student, lawyer, doctor, broker, influencer under contract, or someone subject to internal codes or professional regulation, administrative complaints may be powerful.

Examples:

workplace complaints under anti-sexual harassment and Safe Spaces compliance policies;
school disciplinary actions for cyberbullying or gender-based harassment;
complaints before professional bodies where ethical rules are implicated.

C. Platform-Based Remedies

Though not a “legal action” in the court sense, prompt platform reporting is often essential:

requesting takedown;
preserving URLs and timestamps first;
reporting impersonation or nonconsensual intimate content;
seeking account recovery;
securing logs and metadata.

A legal strategy that ignores platform procedures is often incomplete.

VII. Jurisdiction and Where to File

Jurisdiction in cyber cases is often complicated because content can be viewed anywhere. In practice, relevant places may include:

where the defamatory content was accessed;
where the complainant resides and suffered injury;
where the accused posted from;
where a key element of the offense occurred;
where the platform-based publication had legal effect.

For criminal complaints, victims commonly begin with:

the National Bureau of Investigation Cybercrime Division;
the Philippine National Police Anti-Cybercrime Group;
the Office of the Prosecutor;
in privacy matters, the National Privacy Commission.

Because venue can be contested, a careful factual affidavit matters.

VIII. Evidence: What Victims Must Preserve Immediately

In online cases, evidence is everything. The strongest victims often fail because they preserved too little or preserved it badly.

Critical evidence includes:

1. Screenshots Capture the full post, profile name, handle, URL, date, time, comments, and visible reactions where relevant.

2. URLs and account links Do not rely on screenshots alone.

3. Metadata and device records If accessible, preserve message headers, email routing details, account notifications, login alerts, and server records.

4. Full conversation threads Context matters. Selective screenshots create evidentiary problems.

5. Witnesses People who saw the posts, received the messages, or can identify the victim from coded references are valuable.

6. Proof of harm Lost contracts, HR notices, school complaints, medical records, therapy receipts, security measures, client cancellations, and sworn statements from colleagues or relatives.

7. Notarized or formally authenticated preservation, when appropriate A complaint supported by properly organized documentary evidence is far stronger than one with scattered phone screenshots.

8. Proof linking the accused to the account This is often the hardest part. Usernames alone are not enough. Linkage may come from:

admissions;
phone numbers;
email traces;
mutual contacts;
past posts;
account recovery information;
device analysis;
platform responses;
subscriber records via lawful process.

IX. Authentication of Electronic Evidence

Under Philippine rules on electronic evidence, authenticity matters. A screenshot is useful, but the opposing side may deny authorship or claim fabrication. The complainant should be prepared to establish:

what the screenshot depicts;
when and how it was captured;
who captured it;
that it accurately reflects the online content;
how the accused is connected to the account;
whether the content remained accessible at the relevant time.

Forensic extraction is not required in every case, but stronger authentication improves prosecutorial chances.

X. Defenses Commonly Raised by Respondents

A person accused of cyber libel or online harassment may raise several defenses.

A. Truth

Truth can be a defense, especially where the imputation is true and publication was made with proper motives and for justifiable ends. But truth is not a blanket shield for every humiliating publication. The manner, purpose, and context still matter.

B. Fair Comment on Matters of Public Interest

Comments on public officials and matters of public concern may be privileged if they are fair, honest, and based on facts truly stated or otherwise known.

C. Lack of Identifiability

If the post does not identify the complainant directly or indirectly, the libel theory weakens.

D. Lack of Publication

A purely private message to the complainant alone may fail the publication element for libel, though it may still constitute harassment, threats, or another offense.

E. Opinion, Hyperbole, or Rhetorical Speech

Respondents often argue that the statements were obvious opinion, sarcasm, parody, or emotional rhetoric rather than factual accusations.

F. Good Faith and Privileged Communication

Some communications are privileged, such as certain reports made in the performance of duty or in good faith to persons with a corresponding interest.

G. Mistaken Identity or Account Misuse

The accused may claim:

the account was hacked;
someone else used the device;
the screenshot was altered;
the complainant cannot prove authorship.

H. Constitutional Free Speech

Speech defenses are strongest where the case involves:

public officials;
journalists;
whistleblowing;
consumer complaints;
public controversies;
commentary on public issues.

Not all offensive speech is punishable.

XI. Cyber Libel versus Mere Insult

Philippine complainants often confuse libel with ordinary insult.

Not every online statement is actionable. These are not automatically cyber libel:

“You’re pathetic.”
“Worst service ever.”
“I think he’s incompetent.”
“She acts crazy.”
heated argument slang or name-calling without a concrete defamatory imputation.

These may still be abusive, but cyber libel usually requires something more definite and reputationally injurious.

By contrast, these are more dangerous:

“He stole money from clients.”
“She is having sex with students for grades.”
“That doctor fakes medical licenses.”
“This accountant launders money.”
“That teacher has HIV and sleeps with minors.”

The more factual, specific, and damaging the accusation, the stronger the libel case.

XII. Anonymous Accounts and Fake Profiles

Anonymous harassment is common. Philippine law does not become helpless just because a username is fake, but the case becomes harder.

Potential steps include:

preservation of all public content;
report to platform;
complaint to NBI or PNP cybercrime units;
lawful requests for subscriber and log information;
device and account-link investigation;
use of circumstantial digital evidence.

Victims should understand that unmasking anonymous users can take time and may require cooperation from platforms that are outside Philippine jurisdiction.

XIII. Doxxing and Exposure of Personal Information

Doxxing is one of the most serious modern harassment forms. It can lead to stalking, swatting, extortion, workplace harassment, and physical danger.

Potential Philippine remedies may include:

Data Privacy Act complaints;
Safe Spaces Act, if gender-based;
threats or coercion charges, if used to intimidate;
civil damages for invasion of privacy and abuse of rights;
injunction to stop further dissemination.

The more sensitive the data and the more threatening the context, the stronger the case.

XIV. Nonconsensual Intimate Images and “Revenge Porn”

This is among the clearest areas for aggressive legal response. Possible remedies include:

criminal action under the Anti-Photo and Video Voyeurism Act;
Safe Spaces Act charges where applicable;
civil damages;
emergency takedown efforts with platforms;
injunction;
privacy complaints;
in some circumstances, extortion or grave threats if the images are used to force compliance.

Victims should preserve proof first, but should also move fast to limit spread.

XV. Harassment in Workplaces, Schools, and Professional Settings

Online harassment in the Philippines often emerges in relationship breakups, office politics, school disputes, fandom conflicts, and local business competition.

In the workplace

A victim may have:

criminal remedies;
civil remedies;
internal HR or disciplinary complaints;
Safe Spaces Act-based workplace obligations;
privacy complaints if company data was misused.

In schools

A student victim may pursue:

school disciplinary mechanisms;
parental complaints;
child protection frameworks if a minor is involved;
criminal and civil remedies where conduct is severe.

In regulated professions

Lawyers, brokers, doctors, teachers, and others may face administrative consequences for conduct that also constitutes cyber libel or harassment.

XVI. Procedure: How a Victim Typically Proceeds

A practical Philippine sequence often looks like this:

1. Preserve evidence before reporting

Save the content in a legally useful form.

2. Secure accounts

Change passwords, enable two-factor authentication, recover compromised accounts.

3. Request platform takedown or reporting action

Especially for intimate content, impersonation, or threats.

4. Consult counsel or prepare a sworn complaint

The legal theory matters from the start.

5. File with the proper agency

NBI Cybercrime Division, PNP Anti-Cybercrime Group, prosecutor’s office, NPC, employer, school, or platform.

6. Submit affidavits and documentary evidence

Affidavit quality often determines whether the complaint advances.

7. Participate in preliminary investigation

The respondent will usually be allowed to answer.

8. Consider civil and injunctive relief in parallel

Criminal cases can be slow. Immediate protection may require civil strategy.

XVII. Prescription and Timeliness

Victims should act quickly. Delay risks:

deletion of posts;
loss of access logs;
account disappearance;
fading witness memory;
evidentiary disputes.

Prescription periods depend on the offense and the governing statute. Because cyber libel and related offenses can involve technical issues on publication date and continuing access, complainants should not assume they have plenty of time.

XVIII. Special Issues in Cyber Libel

A. One post, many viewers

Wider reach can worsen harm, but virality does not change the basic elements required.

B. Group chats

A message in a private group chat may still count as publication if seen by third persons. Privacy of the group does not automatically defeat libel.

C. Comments section

A person who comments defamatory material under another’s post may incur independent liability.

D. Deleted posts

Deletion does not erase liability if publication can still be proven.

E. Cross-border publication

A post made abroad but accessed in the Philippines can create complex jurisdictional issues. Philippine remedies may still be invoked depending on facts.

XIX. Damages and What Courts Look For

Courts assessing damages often consider:

seriousness of accusation;
reach of publication;
duration of online availability;
malice and intent;
whether the victim is a private person or public figure;
actual impact on employment, business, mental health, family, and standing;
repetition or coordinated attack;
refusal to take down after notice;
use of fake accounts or deceptive tactics.

Proof of actual economic loss helps, but moral damages may be significant even without perfect financial records.

XX. Strategic Considerations for Victims

A. Choose the right cause of action

Do not force everything into cyber libel. Some cases are stronger as:

Safe Spaces Act complaints;
privacy complaints;
threats/coercion cases;
voyeurism cases;
civil damages with injunction.

B. Avoid overclaiming

A complaint that alleges every imaginable offense can look unfocused. Precision is more persuasive.

C. Build identity proof early

In anonymous-account cases, identity linkage is often the make-or-break issue.

D. Preserve context

Selective screenshots can backfire if the defense produces omitted provocation or surrounding discussion.

E. Move fast in intimate-content cases

Harm multiplies rapidly online.

XXI. Strategic Considerations for Respondents

A person accused of cyber libel or online harassment should immediately:

preserve their own full records;
avoid deleting context without backup;
stop further posting;
avoid retaliatory publication;
assess whether statements were factual accusations or protected opinion;
identify whether the account was compromised;
evaluate possible settlement, apology, clarification, or takedown.

Respondents often worsen exposure by doubling down publicly.

XXII. Settlement, Retraction, and Apology

Not every case should end in prolonged litigation. In some Philippine disputes, especially among private individuals, business rivals, family members, co-workers, or former partners, a well-structured settlement may include:

takedown of offending content;
written apology or clarification;
non-contact undertaking;
non-repetition undertaking;
damages or reimbursement;
confidentiality terms, where lawful;
platform cooperation.

But in cases involving threats, extortion, sexualized abuse, minors, or intimate images, settlement must be approached with extreme caution and should not replace immediate safety and reporting measures.

XXIII. Free Speech Concerns

Cyber libel laws in the Philippines have long raised constitutional concerns because they may chill speech. That concern is real. The law must not be used to punish:

legitimate criticism;
journalism in good faith;
whistleblowing with factual basis;
fair consumer complaints;
civic commentary;
protected political speech.

A good legal analysis must distinguish reputation protection from speech suppression. Courts are expected to balance dignity and liberty.

XXIV. Common Real-World Scenarios

1. False accusation post on Facebook

A private individual is accused of theft in a public post without basis. Likely remedy: cyber libel, damages.

2. Ex posts intimate photos after breakup

Likely remedy: Anti-Photo and Video Voyeurism Act, Safe Spaces Act, damages, injunction, takedown.

3. Anonymous X account posts home address and workplace

Likely remedy: Data Privacy Act, threats/coercion depending on text, damages, takedown.

4. Employee publicly calls boss corrupt and names fake crimes

Likely remedy: cyber libel, possibly workplace discipline. But if based on true facts and framed as a good-faith report on public concern, defense issues arise.

5. Repeated sexist and sexual messages through Messenger and comments

Likely remedy: Safe Spaces Act, threats or unjust vexation in proper cases, workplace/school complaints.

6. Fake profile impersonates victim and sends obscene messages

Likely remedy: cybercrime-related identity or access violations depending on method, libel if reputational harm occurred, damages, injunction, platform reporting.

XXV. Practical Limits of the Law

Victims should know the limits:

criminal cases can move slowly;
platforms may be difficult to compel quickly;
anonymous users may be hard to identify;
prosecutors vary in technical familiarity;
screenshots alone may not prove authorship;
online harm often spreads faster than legal remedies.

Still, a well-prepared case can succeed, especially when the theory matches the facts and evidence is strong.

XXVI. What a Strong Complaint Usually Contains

A strong Philippine complaint often includes:

a clean chronology;
exact quotations of defamatory or harassing content;
dates, times, URLs, and screenshots;
explanation of why the victim is identifiable;
explanation of the falsity of the imputation;
proof of publication;
proof linking the respondent to the account;
proof of harm;
explanation of why the chosen law applies;
request for both criminal and civil consequences where appropriate.

XXVII. Conclusion

In the Philippines, cyber libel is only one part of the legal response to online abuse. The law recognizes that digital harm can attack not just reputation, but also privacy, bodily autonomy, safety, dignity, employment, sexuality, and peace of mind. A false public accusation may be prosecuted as cyber libel. Repeated digital terror may support threats or harassment-related charges. Sexualized abuse may fall under the Safe Spaces Act. Nonconsensual sharing of intimate content may trigger the Anti-Photo and Video Voyeurism Act. Doxxing and unlawful disclosure of personal data may implicate the Data Privacy Act. Independent of criminal liability, civil actions for damages and injunctive relief remain crucial.

The most important practical lesson is this: the exact facts determine the remedy. “Online harassment” is not a single box. The complainant must identify the right legal theory, preserve digital evidence correctly, establish authorship or account linkage, and pursue the remedy that addresses the real harm—reputational, psychological, sexual, financial, or safety-related. In Philippine law, the remedies exist. The challenge is choosing and proving them properly.

Concise doctrinal map

For quick reference:

Cyber libel: false defamatory online publication harming reputation.
Threats/coercion/unjust vexation: intimidation, pressure, torment, alarming conduct.
Safe Spaces Act: gender-based online sexual harassment.
Anti-Photo and Video Voyeurism Act: nonconsensual intimate images/videos.
Data Privacy Act: unlawful disclosure or misuse of personal data, including doxxing contexts.
Civil Code damages: moral, actual, exemplary, and related relief.
Injunction: to stop continuing unlawful publication or harassment in proper cases.
Administrative remedies: workplace, school, professional, and privacy-regulator complaints.

Because you asked for a Philippine legal article “on all there is to know,” the most accurate final takeaway is that the subject is best understood not as one offense, but as an ecosystem of overlapping remedies. The right remedy depends on whether the online act primarily injures reputation, privacy, sexual dignity, security, property, or personal peace.