Stay informed on the latest data breach incidents and security breaches. Protect your information with our up-to-date breach news and analysis.
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Background for this topic.
Breach means unauthorized access to a computer system or network that exposes or steals sensitive data like personal details, passwords, or proprietary information. Attackers often exploit software flaws, weak passwords, or social engineering to gain entry. Breaches can also result from insiders misusing access or accidental data exposure.
Understanding breaches is crucial because they reveal weaknesses in security controls and can lead to data theft or operational disruption. Effective defenses include promptly patching vulnerabilities, enforcing strong authentication, and segmenting networks to limit attacker movement. Detecting breaches quickly through monitoring and logging helps contain damage and guide targeted remediation efforts to secure affected systems and data.
Weekly headline count for the current query.
The ShinyHunters extortion crew exploited an unpatched flaw in Oracle PeopleSoft to break into enterprise systems, steal data, and demand payment to keep it private. The campaign hit universities hardest
Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. [...]
A new disclosed cPanel flaw tracked as CVE-2026-41940 is being mass-exploited to breach websites and encrypt data in "Sorry" ransomware attacks. [...]
A large-scale credential harvesting operation has been observed exploiting the React2Shell vulnerability as an initial infection vector to steal database credentials, SSH private keys, Amazon Web Services (AWS) secrets, shell command history, Stripe API keys, and GitHub tokens at scale
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released new details about RESURGE, a malicious implant used in zero-day attacks exploiting CVE-2025-0282 to breach Ivanti Connect Secure devices. [...]
Hackers are targeting developers by exploiting the critical vulnerability CVE-2025-11953 in the Metro server for React Native to deliver malicious payloads for Windows and Linux. [...]
Hackers are targeting developers by exploiting the critical vulnerability CVE-2025-11953 in the Metro server for React Native to deliver malicious payloads for Windows and Linux. [...]
The RondoDox botnet has been observed exploiting the critical React2Shell flaw (CVE-2025-55182) to infect vulnerable Next.js servers with malware and cryptominers. [...]
Over 77,000 Internet-exposed IP addresses are vulnerable to the critical React2Shell remote code execution flaw (CVE-2025-55182), with researchers now confirming that attackers have already compromised over 30 organizations across multiple sectors. [...]
The exploitation of CVE-2025-61757 follows a breach of Oracle Cloud earlier this year as well as a recent extortion campaign targeting Oracle E-Business Suite customers.
Oracle has silently fixed an Oracle E-Business Suite vulnerability (CVE-2025-61884) that was actively exploited to breach servers, with a proof-of-concept exploit publicly leaked by the ShinyHunters extortion group. [...]
Oracle has silently fixed an Oracle E-Business Suite vulnerability (CVE-2025-61884) that was actively exploited to breach servers, with a proof-of-concept exploit publicly leaked by the ShinyHunters extortion group. [...]
Threat actors exploited CVE-2024-36401 less than two weeks after it was initially disclosed and used it to gain access to a large federal civilian executive branch (FCEB) agency that uses the geospatial mapping data.
The Dutch National Cyber Security Centre (NCSC-NL) has warned of cyber attacks exploiting a recently disclosed critical security flaw impacting Citrix NetScaler ADC products to breach organizations in the country
The Netherlands' National Cyber Security Centre (NCSC) is warning that a critical Citrix NetScaler vulnerability tracked as CVE-2025-6543 was exploited to breach "critical organizations" in the country. [...]
A recently disclosed critical security flaw impacting SAP NetWeaver is being exploited by multiple China-nexus nation-state actors to target critical infrastructure networks
Threat actors with links to the Play ransomware family exploited a recently patched security flaw in Microsoft Windows as a zero-day as part of an attack targeting an unnamed organization in the United States
Enterprise data backup platform Commvault has revealed that an unknown nation-state threat actor breached its Microsoft Azure environment by exploiting CVE-2025-3928 but emphasized there is no evidence of unauthorized data access
Palo Alto Networks warns that hackers are actively exploiting a critical authentication bypass flaw (CVE-2025-0108) in PAN-OS firewalls, chaining it with two other vulnerabilities to breach devices in active attacks. [...]
The breach was carried out by exploiting CVE-2024-12356 in BeyondTrust cybersecurity company, just last week.