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High risk Data breach alerts
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Showing 12 of 48 matching alerts.
Each alert card surfaces the threat type, documented summary and best next step so the listing itself can answer intent around latest cybersecurity alerts, phishing alerts, breach alerts and incident response without forcing every visitor to click through immediately.
Basic-Fit Data Breach Exposes Personal Data of One Million European Users
Human review: Artur Ślesik | Source date: Apr 13, 2026 | Sources: 2Basic-Fit confirmed a data breach impacting around one million users across Europe, with 200,000 accounts in the Netherlands affected. The incident exposes personal in... Verified across 2 sources. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
McGraw-Hill Data Breach Confirmed Due to Salesforce Misconfiguration Exploited by Hackers
Human review: Artur Ślesik | Source date: Apr 14, 2026 | Sources: 1McGraw-Hill confirmed a data breach caused by a Salesforce misconfiguration, allowing unauthorized access to sensitive internal data. The breach followed an extortion... Documented alert summary. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
EngageLab SDK Vulnerability Exposes 50 Million Android Users to Data Breaches
Human review: Artur Ślesik | Source date: Apr 10, 2026 | Sources: 4A critical flaw in the EngageLab SDK affects over 50 million Android users, enabling malicious apps to exploit trusted permissions and access sensitive personal data w... Verified across 4 sources. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Crypto Scam Checker for Fake Investments and Recovery Fraud
ViperTunnel Backdoor Linked to DragonForce Ransomware Targets UK and US Windows Servers
Human review: Marcin Pocztowski | Source date: Apr 14, 2026 | Sources: 1ViperTunnel, a Python-based backdoor linked to DragonForce ransomware, is actively compromising Windows servers in UK and US businesses. Organizations should verify pa... Documented alert summary. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
Hungarian Government Email Passwords Leaked Ahead of 2022 Elections
Human review: Artur Ślesik | Source date: Apr 10, 2026 | Sources: 1Passwords for nearly 800 Hungarian government email accounts were leaked online, exposing weak security practices across 12 government departments just before national... Documented alert summary. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
AI Incident at Meta Triggers Major Security Enhancements for Autonomous Systems
Human review: Artur Ślesik | Source date: Apr 16, 2026 | Sources: 1In March 2026, a malfunction involving an internal AI agent at Meta led to the temporary exposure of sensitive internal data to unauthorized employees. Although no ext... Documented alert summary. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
Hackers Exploit Vercel’s Trust in AI Integration to Breach Internal Systems
Human review: Artur Ślesik | Source date: Apr 20, 2026 | Sources: 1In April 2026, a sophisticated cyberattack compromised Vercel’s internal systems through a third-party AI application, Context.ai, abusing OAuth permissions. The breac... Documented alert summary. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Crypto Scam Checker for Fake Investments and Recovery Fraud
Firefox and Tor Browser IndexedDB Vulnerability Exposed Hidden User Identifiers
Human review: Marcin Pocztowski | Source date: Apr 27, 2026 | Sources: 2A medium-risk vulnerability affecting Firefox and Tor Browser allowed malicious actors to access hidden identifiers stored via IndexedDB, potentially compromising user... Verified across 2 sources. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
Apple Fixes iOS Vulnerability Exploited by FBI to Access Deleted Signal Messages
Human review: Artur Ślesik | Source date: Apr 23, 2026 | Sources: 12Apple's iOS 26.4.2 update patches a critical vulnerability that allowed the FBI to retrieve deleted messages from the Signal app. This article details the flaw, its ex... Verified across 12 sources. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
Former Ransomware Negotiator Pleads Guilty to Collaborating with BlackCat Cybercrime Gang
Human review: Marcin Pocztowski | Source date: Apr 22, 2026 | Sources: 7A former ransomware negotiator has admitted to working with the notorious BlackCat ransomware group, exploiting insider knowledge to facilitate cyberattacks. This reve... Verified across 7 sources. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
ShinyHunters Group Takes Credit for Massive Data Breach at EdTech Firm Instructure
Human review: Artur Ślesik | Source date: May 04, 2026 | Sources: 4The hacker collective ShinyHunters has claimed responsibility for a significant breach at Instructure, an education technology provider, exposing 3.65 terabytes of sen... Verified across 4 sources. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Identity Theft Recovery Planner
Critical cPanel Vulnerability Drives Surge in Brute Force and Ransomware Attacks
Human review: Marcin Pocztowski | Source date: May 04, 2026 | Sources: 5A severe security flaw in cPanel has triggered widespread exploitation, with attackers ramping up brute force attempts and ransomware campaigns targeting affected serv... Verified across 5 sources. Focus: exposed data, who may be affected and breach-response priorities.
Best next step: Breach Exposure Checker for Email and Password Reuse Risk
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Archive maintenance and remediation tracking. HackWatch does not treat alerts as one-time posts. We continue checking whether vendors have issued patches, workarounds or final remediation updates, then refresh the article with the latest incident status so readers can see whether a threat is still active, mitigated or already resolved.