A live timeline of data breaches
1046 tracked incidents · newest first
Know Your Enemy: Browser-Based Attack Techniques in 2026
Given that the browser is where business apps are accessed and used, it makes sense that attacks are happening there too. Most breaches today begin in a browser session. Often, they never leave it, with the entire attack chain from initial access to...
Medela
In September 2026, Swiss medical device company Medela was the target of a ShinyHunters "pay or leak" extortion campaign . The data allegedly obtained in the breach was later published publicly and included 424k unique email addresses belonging predominantly...
Bitget hacked via zero-day in third-party security products
Cryptocurrency exchange Bitget revealed today that attackers who stole $387.5 million last week breached its systems after exploiting a zero-day flaw in third-party security products. [...]
ShinyHunters Defiant After FBI Calls on Members to Come Forward
In the wake of a suspected leader’s arrest, ShinyHunters says it never intended to publish data stolen from the FBI. The post ShinyHunters Defiant After FBI Calls on Members to Come Forward appeared first on SecurityWeek .
French Tax Data Theft Using Stolen Staff Passwords Went Undetected for Seven Weeks
An attacker used stolen passwords of staff at France's tax administration to take tax data on hundreds of thousands of taxpayers and businesses in June and July. Neither the tax administration nor France's national cybersecurity agency saw the data leave. The...
Russia's Star Blizzard Targets 100+ Organizations With Fake Event Invites to Deliver Backdoor
Russian state hackers known as Star Blizzard have been using fake event invitations to trick people into installing a backdoor on their Windows computers, according to Microsoft. The campaigns, aimed at people and organizations tied to Ukraine, have affected...
Hackers Use NeedyMantis to Maintain Long-Term Access in Breached Networks
Hackers have used a malware family called NeedyMantis to maintain long-term access to networks they had already breached, Microsoft said in a technical analysis. The malware has been seen in a small number of targeted intrusions at telecommunications...
Dutch Police Arrest 'Reformed' Hacker in Shiny Hunters Investigation
Authorities in the Netherlands have arrested a 23-year-old convicted cybercriminal on suspicion of aiding in data thefts and extortions by the prolific hacker group ShinyHunters. In the days immediately following the suspect's arrest, remaining ShinyHunters...
Showing the 15 most recent of 1046 tracked incidents. Browse by year above or see statistics.