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Outages & Breaches: February 2024 in numbers

4 significant outages (3 critical) and 9 data breaches (2 critical) were logged in February 2024. The largest breach by records was Change Healthcare (100M). The longest outage with a known duration was AT&T Wireless (12 hours). The most common outage cause was cyberattack (3 of 4). 1 of the incidents mainly affected the UK.

Most significant incidents

• 22 Feb 2024AT&T nationwide mobile outage blocks 92 million callsAT&T Wireless · outage · Configuration change · 12 hourscritical
• 21 Feb 2024Change Healthcare attack halts US claims and pharmacy paymentsChange Healthcare · outage · Cyberattackcritical
• 21 Feb 2024Change Healthcare breach hits about 100 million peopleChange Healthcare · breach · ALPHV/BlackCat · 100M recordscritical
• 11 Feb 2024Ransomware takes 100 Romanian hospitals offlineRomanian hospitals (Hipocrate) · outage · Cyberattackcritical
• 6 Feb 2024French health payment firms' breach hits 33 millionViamedis and Almerys · breach · Unknown · 33M recordscritical
• 29 Feb 202420 million Cutout.Pro AI users' data leakedCutout.Pro · breach · KryptonZambie · 20M claimedmajor
• 13 Feb 2024Southern Water confirms Black Basta stole customer dataSouthern Water · breach · Black Basta · 470K recordsUKmajor
• 13 Feb 2024ALPHV breach at Prudential hits 2.5 millionPrudential Financial · breach · ALPHV/BlackCat · 2.6M recordsmajor

All 4 outages

• 22 Feb 2024AT&T nationwide mobile outage blocks 92 million callsAT&T Wireless · outage · Configuration change · 12 hourscritical
• 21 Feb 2024Change Healthcare attack halts US claims and pharmacy paymentsChange Healthcare · outage · Cyberattackcritical
• 11 Feb 2024Ransomware takes 100 Romanian hospitals offlineRomanian hospitals (Hipocrate) · outage · Cyberattackcritical
• 1 Feb 2024Chicago children's hospital offline for weeks after Rhysida attackLurie Children's Hospital · outage · Cyberattackmajor

All 9 data breaches

• 29 Feb 202420 million Cutout.Pro AI users' data leakedCutout.Pro · breach · KryptonZambie · 20M claimedmajor
• 21 Feb 2024Change Healthcare breach hits about 100 million peopleChange Healthcare · breach · ALPHV/BlackCat · 100M recordscritical
• 13 Feb 2024Southern Water confirms Black Basta stole customer dataSouthern Water · breach · Black Basta · 470K recordsUKmajor
• 13 Feb 2024ALPHV breach at Prudential hits 2.5 millionPrudential Financial · breach · ALPHV/BlackCat · 2.6M recordsmajor
• 13 Feb 2024Integris Health breach hits 2.4 million patientsIntegris Health · breach · Unknown · 2.4M recordsmajor
• 12 Feb 2024Bank of America customers exposed in vendor ransomwareBank of America (Infosys McCamish) · breach · LockBit · 6M recordsmajor
• 6 Feb 2024French health payment firms' breach hits 33 millionViamedis and Almerys · breach · Unknown · 33M recordscritical
• 2 Feb 2024AnyDesk production servers breachedAnyDesk · breach · Unknownmajor
• 1 Feb 2024Nation-state hackers breach Cloudflare's Atlassian serversCloudflare · breach · Suspected nation-statemajor