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Outages & Breaches: January 2026 in numbers

3 significant outages (3 critical) and 7 data breaches (2 critical) were logged in January 2026. The largest breach by records was Under Armour (72M). The longest outage with a known duration was Verizon Wireless (24 hours). The most common outage cause was capacity (1 of 3).

Most significant incidents

• 22 Jan 2026Microsoft 365 down for nearly 10 hours in North AmericaMicrosoft 365 · outage · Capacity · 10 hourscritical
• 22 Jan 2026Under Armour breach affects 72 million customersUnder Armour · breach · Unknown · 72M recordscritical
• 14 Jan 2026Verizon outage strands phones in SOS modeVerizon Wireless · outage · Software bug · 24 hourscritical
• 14 Jan 2026Canadian investment regulator breach exposes 750,000 investorsCIRO · breach · Unknown · 750K recordscritical
• 8 Jan 2026Iran cuts the internet nationwide during protestsIran (national internet) · outage · Government shutdowncritical
• 24 Jan 2026WorldLeaks claims 1.4TB of Nike internal dataNike · breach · WorldLeaksmajor
• 24 Jan 2026Crunchbase confirms breach after ShinyHunters leakCrunchbase · breach · ShinyHunters · 2M claimedmajor
• 6 Jan 2026Hackers claim breach of 1 million Brightspeed customersBrightspeed · breach · Crimson Collective · 1M claimedmajor

All 3 outages

• 22 Jan 2026Microsoft 365 down for nearly 10 hours in North AmericaMicrosoft 365 · outage · Capacity · 10 hourscritical
• 14 Jan 2026Verizon outage strands phones in SOS modeVerizon Wireless · outage · Software bug · 24 hourscritical
• 8 Jan 2026Iran cuts the internet nationwide during protestsIran (national internet) · outage · Government shutdowncritical

All 7 data breaches

• 24 Jan 2026WorldLeaks claims 1.4TB of Nike internal dataNike · breach · WorldLeaksmajor
• 24 Jan 2026Crunchbase confirms breach after ShinyHunters leakCrunchbase · breach · ShinyHunters · 2M claimedmajor
• 22 Jan 2026Under Armour breach affects 72 million customersUnder Armour · breach · Unknown · 72M recordscritical
• 14 Jan 2026Canadian investment regulator breach exposes 750,000 investorsCIRO · breach · Unknown · 750K recordscritical
• 6 Jan 2026Hackers claim breach of 1 million Brightspeed customersBrightspeed · breach · Crimson Collective · 1M claimedmajor
• 3 Jan 2026Two US state human services agencies expose a million peopleIllinois & Minnesota DHS · breach · None (exposure) · 1M recordsmajor
• 2 Jan 2026Covenant Health ransomware exposes 478,000 patientsCovenant Health · breach · Qilin · 478K recordsmajor