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Outages & Breaches: March 2024 in numbers

6 significant outages (0 critical) and 8 data breaches (2 critical) were logged in March 2024. The largest breach by records was AT&T (73M). The longest outage with a known duration was Panera Bread (168 hours). The most common outage cause was cyberattack (3 of 6). 4 of the incidents mainly affected the UK.

Most significant incidents

• 30 Mar 2024AT&T confirms 73 million customers' data leakedAT&T · breach · ShinyHunters · 73M recordscritical
• 13 Mar 2024France Travail breach exposes 43 million job seekersFrance Travail · breach · Unknown · 43M recordscritical
• 29 Mar 2024Omni Hotels systems down after Daixin attackOmni Hotels · outage · Cyberattackmajor
• 23 Mar 2024Panera Bread hit by week-long IT outagePanera Bread · outage · Cyberattack · 168 hoursmajor
• 17 Mar 2024MediaWorks data on 2.4 million used for extortionMediaWorks (NZ) · breach · Unknown · 2.4M claimedmajor
• 16 Mar 2024Sainsbury's and Tesco hit by IT failuresSainsbury's and Tesco · outage · Software bugUKmajor
• 15 Mar 2024McDonald's tills fail worldwide after third-party changeMcDonald's · outage · Configuration change · 12 hoursmajor
• 15 Mar 2024INC Ransom leaks NHS Dumfries and Galloway patient dataNHS Dumfries and Galloway · breach · INC RansomUKmajor

All 6 outages

• 29 Mar 2024Omni Hotels systems down after Daixin attackOmni Hotels · outage · Cyberattackmajor
• 23 Mar 2024Panera Bread hit by week-long IT outagePanera Bread · outage · Cyberattack · 168 hoursmajor
• 16 Mar 2024Sainsbury's and Tesco hit by IT failuresSainsbury's and Tesco · outage · Software bugUKmajor
• 15 Mar 2024McDonald's tills fail worldwide after third-party changeMcDonald's · outage · Configuration change · 12 hoursmajor
• 7 Mar 2024Leicester City Council shuts systems after cyber attackLeicester City Council · outage · CyberattackUKmajor
• 5 Mar 2024Meta platforms log users out worldwideFacebook, Instagram, Messenger · outage · Software bug · 2 hoursmajor

All 8 data breaches

• 30 Mar 2024AT&T confirms 73 million customers' data leakedAT&T · breach · ShinyHunters · 73M recordscritical
• 27 Mar 2024Qilin claims 550GB from The Big IssueThe Big Issue · breach · QilinUKminor
• 17 Mar 2024MediaWorks data on 2.4 million used for extortionMediaWorks (NZ) · breach · Unknown · 2.4M claimedmajor
• 15 Mar 2024INC Ransom leaks NHS Dumfries and Galloway patient dataNHS Dumfries and Galloway · breach · INC RansomUKmajor
• 15 Mar 2024Fujitsu finds malware and confirms data breachFujitsu · breach · Unknownmajor
• 13 Mar 2024Nissan confirms Akira stole data on 100,000 peopleNissan Oceania · breach · Akira · 100K recordsminor
• 13 Mar 2024France Travail breach exposes 43 million job seekersFrance Travail · breach · Unknown · 43M recordscritical
• 3 Mar 2024Amex card data exposed at merchant processorAmerican Express · breach · Unknownmajor