Guide
How to handle Wikipedia vandalism.
Someone trashed your Wikipedia page — or might, at 3 a.m. Here is what vandalism actually is, how it gets fixed, and how to make sure you are not the last to know.
What “vandalism” means on Wikipedia
Vandalism is editing intended to damage: blanking articles, inserting profanity or nonsense, adding defamatory hoaxes, or maliciously changing facts. It is different from:
- Good-faith negative edits — an editor adding a poorly sourced but sincere claim. Handled differently: with citations and discussion, not just reversion.
- Content disputes — two editors disagreeing. These go to talk pages and dispute resolution.
- Conflict-of-interest editing — undisclosed promotional editing, which is a policy problem, not vandalism.
Why the distinction matters: patrollers revert vandalism on sight, but a plausible-looking false claim with a fake citation can survive for days. Monitoring that explains what kind of change happened is more useful than a raw ping.
Verify and respond yourself, free
- Confirm it is vandalism. View history → click the damaging edit’s prev link. Nonsense, blanking, or unsourced shock claims with no citation are vandalism; a claim that merely looks bad may be a sourcing problem instead.
- Check if it is already fixed. Many vandalisms are reverted within minutes by patrollers and bots. The history shows reverts; don’t pile on a fixed edit.
- If it persists and it is not your own page: anyone may revert obvious vandalism — use the “Undo” link on the diff.
- If it is your own page (or your client’s): do not edit it directly. Undisclosed conflict-of-interest editing violates Wikipedia rules. Instead, report obvious vandalism at Wikipedia’s vandalism noticeboard, or raise it on the article’s Talk page with a suggested correction and citation.
- For hoaxes and plausible falsehoods that survive reversion, use the article talk page or Wikipedia’s help channels — and keep the diff links as your evidence record.
- If it keeps recurring, editors can request page protection; the request process runs through Wikipedia, not around it.
Risks and common mistakes
- Edit warring. Reverting a determined editor more than about twice in a day risks blocks — for you, even when you are right.
- Reverting good-faith edits as “vandalism.” Treating a sincerely sourced negative claim as vandalism looks like censorship and escalates disputes.
- Self-editing while conflicted. The fastest way to turn a 5-minute vandalism incident into a week-long scrutiny problem.
- Finding out days later. Vandalism reverted in 10 minutes costs nothing; the same vandalism living for three days can spread to mirrors and AI answers. Detection latency is the real damage multiplier.
- Threatening the editor. Nothing good has ever come from this. Public channels, evidence, and process work.
When to get professional help
Most vandalism is a blip. Escalate when it is repeated and targeted, when it is part of a deletion campaign, or when content crosses into defamation territory: engage a Wikipedia-policy consultant for on-wiki work, PR counsel if press may pick it up, and a lawyer if the content is defamatory and persistent. Bring diffs and timestamps — which is why preserving the alert record matters.
What a vandalism alert looks like
What changed. The article text was blanked and replaced with profanity — a classic vandalism pattern. The previous version remains one click away, and any Wikipedia editor can restore it.
Illustrative example. Bluepine Athletics is fictional.
Know first. Every time.
Paste a Wikipedia URL. If the page changes, you will know in seconds — with the exact change and a plain-English explanation.