News Archive
1923 stories · page 21 of 81Every story we've published, newest first. Vulnerability records live in the CVE Tracker.

Calling on Cyber Pros to Help Defend City Hall
Government agencies with smaller budgets need support — and here's how you can help.

Pro-Ukraine Hackers Claim Attack on Russian Network Monitoring Firm
A pro-Ukrainian hacking group named Black Spark has claimed responsibility for a cyberattack against Microolap, a Russian network monitoring company. The group alleges they had access to Microolap's internal systems, including its EtherSensor platform, for over a month.

Microsoft rolls out Classic Outlook theme for New Outlook users
Microsoft has started rolling out a Classic Outlook theme for users of Outlook on the web and the New Outlook for Windows. [...]

OpenAI Adds Controls That Should've Been There Already
The new AI security controls follow the Hugging Face incident last month, though many of these additions perhaps should have been in place prior to the frontier models escaping.

Hardware Makers Implement Post-Quantum Cryptography as Security Threats Near
The increasing threat posed by future quantum computers necessitates an immediate upgrade of current encryption methods. Technology companies are actively developing and implementing new defenses to protect against these advanced computational capabilities.

North Korean Hackers Tied to Rust Supply Chain Attack
Cybersecurity researchers have linked a malicious backdoor in compromised Rust packages to previous North Korean supply chain attacks

Six Maximum-Severity Flaws Found in Cisco Products
Cisco patched nine critical flaws, including six rated CVSS 10.0, found during internal testing. None are known to be exploited. Cisco released another batch of security fixes for its Crosswork platforms and Secure Workload software, part of what it’s calling an ongoing internal security review, and the CVSS scores in this round are unusually severe. […]

Critical Isolated-vm Vulnerability Leads to RCE on Host
The type confusion bug can lead to V8 sandbox escape and control-flow hijacking of the host process. The post Critical Isolated-vm Vulnerability Leads to RCE on Host appeared first on SecurityWeek.

CISA orders feds to patch actively exploited TrueConf Server flaws
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered U.S. federal agencies to prioritize patching two actively exploited vulnerabilities in the TrueConf Server self-hosted communications platform. [...]

Critical Microsoft Entra ID vulnerability exploited in the wild (CVE-2026-69836)
Microsoft has patched a critical remote code execution vulnerability (CVE-2026-69836) in Entra ID, reportedly exploited in the wild. Entra ID is Microsoft’s cloud identity service, formerly Azure Active Directory, that verifies logins and controls access to Microsoft 365, Azure, and connected third-party apps. Tracked as CVE-2026-69836, with the maximum CVSS score of 10.0, the vulnerability was di

New Agent Tesla Malware Variant Boosts Evasion Capabilities
An Agent Tesla v4 malware campaign used novel emoji-based code obfuscation to evade detection, KnowBe4 has revealed

Medical records, SSNs, and bank details exposed in CareCloud data breach
Healthcare technology provider CareCloud confirmed that 3.75 million people were affected by a March data breach.

Attackers impersonate popular AI brands to spread malware
Attackers are impersonating popular AI brands like Perplexity, Claude, ChatGPT, and Copilot to spread information stealers, backdoors, malicious browser extensions, and other malware, according to Sophos. Overview of MDR cases with AI involvement (Source: Sophos) Sophos X-Ops reviewed 12 months of managed detection and response cases, covering July 2, 2025 through June 29, 2026. Of 86 cases initia

Wazuh Integrates AI to Improve Security Operations Center Workflows
Wazuh is incorporating Artificial Intelligence (AI) to enhance Security Operations Center (SOC) workflows. AI's growing adoption across various industries for automation and data analysis is now being leveraged in cybersecurity to support faster decision-making and uncover hidden patterns. This integration aims to improve the efficiency and effectiveness of security operations.

Fake Conferences, OAuth and WhatsApp: Inside Russia’s New Espionage Tactics
Google's Threat Intelligence Group has identified three Russian-linked cyber espionage clusters (UNC6293, UNC7005, and UNC5976) employing sophisticated social engineering tactics. These groups exploit legitimate authentication features like OAuth and app passwords to compromise accounts of researchers, diplomats, and defense personnel. They utilize fake conference invitations, spoofed login pages, and even leverage AI-generated code for malware, posing a significant challenge to traditional security monitoring.

Microsoft warns of max severity Entra ID flaw exploited in attacks
Microsoft has patched a maximum-severity vulnerability in the Entra ID identity and access management (IAM) platform that has been exploited in attacks. [...]

Hackers abuse FTP server banners to deliver new Windows malware
Threat actors are abusing FTP banners to hide commands that deliver two previously undocumented remote access trojans named E4del and PINHOLE. [...]

SickKids data breach exposes employee and job applicant info
Toronto's Hospital for Sick Children (SickKids) says a cybersecurity incident exposed the personal information of some current and former employees and job applicants, stemming from a flaw in third-party software. Clinical systems and patient records were not affected. (264) [...]

Cisco Patches Nine Flaws in Crosswork and Secure Workload Software
Cisco has released security updates addressing nine vulnerabilities affecting its Crosswork platforms and Secure Workload Software. Five of these flaws have received a critical CVSS score of 10.0. The vulnerabilities impact Crosswork Data Gateway, Crosswork Network Controller, and Crosswork Planning, irrespective of device configuration.

GitLab Critical GraphQL Flaw Actively Exploited
GitLab has released an emergency patch for a critical vulnerability in its GraphQL API that allows unauthenticated attackers to modify or delete public projects and user data. Researchers from WatchTowr discovered the flaw, tracked as CVE-2026-19478, which has a CVSS score of 9.4 and is reportedly under active exploitation. The vulnerability affects self-managed installations, and users are urged to upgrade to specific patched versions, as older branches will not receive direct fixes.

More Incidents of AIs Going Rogue in Cybersecurity Challenges
The AI Security Institute has a new report of AI systems engaging in “unsanctioned behavior”—what I have been calling “genie behavior—while being tested on their cybersecurity capabilities. The incident stemmed from a single evaluation where agents were given a task of solving a cyber security challenge. We ran this challenge 122 times across several models. Our investigation found that in 10 of t

Rust Supply Chain Attack Linked to North Korean Hackers
Hackers pushed a poisoned arrayref version that added a dependency to fetch a malicious payload from a remote server. The post Rust Supply Chain Attack Linked to North Korean Hackers appeared first on SecurityWeek.

Poland’s CERT Warns of Active Exploitation of Critical Zimbra Collaboration Suite Flaw
CERT Polska confirmed active exploitation of CVE-2026-73570, a critical unauthenticated RCE in Zimbra Collaboration Suite patched on July 20. CERT Polska, Poland’s national computer emergency response team, confirmed this week that threat actors are actively exploiting a critical vulnerability in Zimbra Collaboration Suite tracked as CVE-2026-73570. The flaw allows unauthenticated remote code exec

Contractors’ CMMC Confidence Rises as Ability to Prove It Falls Behind
Two industry surveys released this week by Kiteworks and CyberSheath paint a consistent picture of the defense industrial base. The post Contractors’ CMMC Confidence Rises as Ability to Prove It Falls Behind appeared first on SecurityWeek.