Live disclosure tracker · updated continuously

2026 Data Breaches Year-to-Date

2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.

98B+
Records Exposed
1176
Incidents
94+
Countries
+104%
Breach Velocity YoY
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2026 Data Breaches Year-to-Date (1176 indexed)

medium · government · Jun 29, 2026

MOVEit Breach Defendants Lose 2nd

Christopher Brown reports: Bellwether defendants in multi-district litigation over a massive data breach of Progress Software’s MOVEit file-transfer application failed to convince a federal court to toss negligence claim

View incident → Original disclosure Indexed 4 days, 1 hour ago
medium · finance · Jun 29, 2026

NAIC

The National Association of Insurance Commissioners (NAIC) says the ShinyHunters extortion group stole only publicly available data, outdated logs, and configuration files after breaching its systems by exploiting a zero

View incident → Original disclosure Indexed 4 days, 1 hour ago
medium · education · Jun 29, 2026

ZA: Copying the wrong person

Jan Vermeulen reports: Misdirected internal emails that expose personal information can trigger mandatory data breach reporting under South Africa’s data privacy law, POPIA, even when the disclosure was accidental. Arman

View incident → Original disclosure Indexed 4 days, 1 hour ago
critical · tech · Jun 28, 2026

KDDI Data Breach Impacts up

KDDI Corporation disclosed a breach affecting up to 14.2 million email accounts after attackers exploited a vulnerability in third-party software. KDDI Corporation disclosed a data breach that exposed up to 14.2 million

View incident → Original disclosure Indexed 5 days, 1 hour ago
critical · other · Jun 28, 2026

A KDDI data breach has

James Whitmore reports: Data breach at Japanese telecoms operator KDDI may have exposed up to 14.22 million email addresses and passwords linked to ISP mail services, after attackers gained unauthorised access to a syste

View incident → Original disclosure Indexed 5 days, 1 hour ago
high · healthcare · Jun 28, 2026

NZ pharmacy scrambles to scrub

Mary Argue reports: A Wellington pharmacy at the centre of a data leak says sensitive patient information has now been scrubbed from the internet. Unichem Petone said it was contacting 29 patients affected by what it des

View incident → Original disclosure Indexed 5 days, 1 hour ago
critical · other · Jun 28, 2026

Data breach

Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained access to one of its email systems used by five other internet service providers (ISPs) in the country. [...]

View incident → Original disclosure Indexed 5 days, 1 hour ago
medium · government · Jun 26, 2026

Mythos is a signal, not

When a new AI capability starts making headlines, I see the same pattern play out in boardrooms and executive staff meetings. The technology is introduced as a looming breakthrough for attackers. The conversation quickly

critical · finance · Jun 26, 2026

Russian Hackers Behind the $2.5

Rex Edison reports A single cyberattack dented an entire country’s GDP. The Cyber Monitoring Centre estimates that the ransomware assault on Jaguar Land Rover cost the UK economy £1.9 billion — roughly $2.5 billion

critical · government · Jun 26, 2026

Proposed US law would make

US lawmakers on Thursday introduced a bill that would require developers of advanced AI models to report major safety and security incidents to the Commerce Department, establishing a federal oversight framework for high

medium · other · Jun 25, 2026

Cal Water Finds No Evidence

Mandiant has helped the California water utility investigate the cyberattack launched by Iranian hacker group Handala. The post Cal Water Finds No Evidence of OT Activity After Hackers Claimed They Could Disrupt Water Su

View incident → Original disclosure Indexed 1 week, 1 day ago