2026 Data Breaches — Year-to-Date Disclosure Tracker

2026 Data Breaches Year-to-Date (460 indexed)

high · tech · Apr 2, 2026

TrueConf Client

TrueConf Client Download of Code Without Integrity Check Vulnerability — TrueConf Client contains a download of code without integrity check vulnerability. An attacker who is able to influence the update delivery path ca

View incident → Original disclosure Indexed 1 week, 2 days ago

medium · other · Apr 2, 2026

New 'Storm' Infostealer Remotely Decrypts

This modern infostealer adopted server-side decryption of stolen credentials to bypass security controls

View incident → Original disclosure Indexed 1 week, 2 days ago

critical · other · Apr 2, 2026

Researchers Observe Sub-One-Hour Ransomware Attacks

Halcyon says Akira is now capable of carrying out an entire ransomware attack in less than an hour

View incident → Original disclosure Indexed 1 week, 2 days ago

critical · healthcare · Apr 1, 2026

Ransomware Will Hit Hospitals. Rehearsals

A chief medical information officer describes what hospitals face when they inevitably suffer a ransomware attack—whether it leads to short- or long-term outages.

View incident → Original disclosure Indexed 1 week, 3 days ago

high · tech · Apr 1, 2026

Google Dawn

Google Dawn Use-After-Free Vulnerability — Google Dawn contains an use-after-free vulnerability that could allow a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML pag

View incident → Original disclosure Indexed 1 week, 3 days ago

high · finance · Apr 1, 2026

SUCCESS

253,510 records exposed — Device information, Email addresses, IP addresses, Names and 4 more

View incident → Original disclosure Indexed 1 week, 3 days ago

medium · government · Mar 31, 2026

Cuties AI

144,250 records exposed — Avatars, Display names, Email addresses

View incident → Original disclosure Indexed 1 week, 4 days ago

medium · other · Mar 31, 2026

Phantom Project Bundles Infostealer, Crypter

Phantom Stealer .NET harvests browser credentials, cookies, cards, sessions, as stealer-as-a-service

View incident → Original disclosure Indexed 1 week, 4 days ago

high · tech · Mar 30, 2026

Citrix NetScaler

Citrix NetScaler Out-of-Bounds Read Vulnerability — Citrix NetScaler ADC (formerly Citrix ADC), NetScaler Gateway (formerly Citrix Gateway) and NetScaler ADC FIPS and NDcPP contain an out-of-bounds reads vulnerability wh

View incident → Original disclosure Indexed 1 week, 5 days ago

medium · tech · Mar 30, 2026