What You Can Do

Everything DayBreach offers is free. Every feature below is ready to use.

For everyone

No account needed.

One-line queriesFilter vulnerabilities without wrestling with a filter form: vendor:microsoft severity>=high kev:true published:30dWrite a query →Official breach noticesKVKK public announcements, SEC cyber incident filings and verified data breaches in one list.See the notices →Evidence of exploitationEvery vulnerability shows available exploits, scanner templates and CISA's decision on whether it is being exploited.See the vulnerabilities →Corroborated leak claimsWhen a gang's claim matches an official record, this is shown on the leak's page.See the leaks →

For developers

Get a key with a free account.

Free APIPull vulnerabilities, news, leaks, breach notices and gangs into your own application. 2,000 requests a day.Get a key →Connect your AI assistantClaude, Cursor and similar assistants can query DayBreach directly (MCP).How to connect →The query language in the APIThe same query you write on the site runs in the API and in your assistant.Read the documentation →

For organisations

Used with a free organisation account, separate from your personal account.

Inventory panelUpload your systems; when a new vulnerability affects you, the panel shows which server is affected and at which version.See the organisation panel →Automatic notificationThe owner of the affected system is notified automatically; if you prefer, turn this off and send by hand.How it works →Slack, Teams and webhookA summary of new findings is posted to your team's channel.How it works →ProjectsDivide the inventory by branch, customer or environment and track each separately.How it works →End-of-support software warningVersions that no longer receive security updates are flagged without waiting for a vulnerability to be published.How it works →Team, roles and two-step verificationInvite your colleagues, assign roles and protect sign-ins with a verification code.How it works →