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.
Ransomware remains one of the most disruptive cyber threats organizations face. Companies have strengthened their cyber defenses over the years, but attackers in 2026 have become faster, more targeted, and increasingly r
StopAndProtect turned nearly 2,000 hacked WordPress sites into a criminal network for malware delivery, data theft, surveillance and ransomware. Check Point Research uncovered a cybercrime operation, dubbed StopAndProtec
A lot of this week’s trouble starts with something trusted doing exactly what it was allowed to do. Signed drivers get turned against defenses. Legitimate apps help malware blend in. A weak header check opens a path to
Hackers compromised the maintainer account behind the widely used Rust crate arrayref to introduce malware that executed on developers' systems during compilation. [...]
A US government advisory warned that attackers are deploying AI-generated exploitation scripts against exposed Siemens S7 Series PLCs
Amar Ćemanović reports: Apple American Group LLC, a major Applebee’s franchise operator in the United States, has disclosed a data breach incident. The event has reportedly exposed sensitive personal information, includi
Support is growing for stricter oversight and increased financial resources for utilities in the wake of a cyberattack spree, suspected to be the work of Iran-linked threat groups.
TrueConf Server Code Injection Vulnerability — TrueConf Server contains a code injection vulnerability that could allow an unauthorized remote attacker with network access via port 4307/TCP to use a specially crafted scr
TrueConf Server Missing Authentication for Critical Function Vulnerability — TrueConf Server contains a missing authentication for critical function vulnerability which could allow a remote unauthorized attacker with net
In March 2026, an internal AI agent at Meta triggered a “Sev 1” incident after sensitive company and user data was exposed to employees who weren’t authorized to access it. The incident began when a Meta employee
Medical business management company suffered data breach affecting 1.2 million individuals
Medical business management company data breach affecting 1.2 million individuals
1,988,331 records exposed — Email addresses, Geographic locations, Names, Phone numbers and 1 more
Healthcare company breach affecting 62.2 million people, third-largest US health hack
Thousands of civil servants' passwords exposed since early 2024, including White House-linked credentials
2024 API vulnerability exposed financial and identity data of 1.27 million records. Bankinter fined €240K.
144,520 records exposed — Email addresses, Names, Passwords, Usernames
Latvia’s road traffic agency confirmed that hackers stole data connected to about two-thirds of the country’s population in a major cyberattack that has prompted calls for senior officials to resign.
Justin Timothy reports: The GuidePoint Research and Intelligence Team (GRIT) has responded to several recent ransomware incidents in which victims received an unexpected email from an ostensible third-party entity referr
Cybersecurity researchers have flagged a global cybercrime operation that abuses thousands of hacked WordPress websites as infrastructure to disseminate malware, commandeer infected hosts, store stolen documents, screens
Japanese cloud and data center service provider Sakura Internet disclosed that hackers accessed its sales management system, where customer contract and membership information is stored. [...]
U.S. healthcare IT company CareCloud disclosed that the data breach incident it suffered earlier this year has impacted more than 3.7 million individuals. [...]
Millions of patients' health and insurance information exposed in 2024 cyberattack
Exposed personal information of approximately 70,000 individuals due to supply chain vulnerability