Cybersecurity Brief – 2025-07-29

Tue, 29 Jul 2025 00:00:00 +0000

Major Incidents or Breaches

Toptal suffered a breach of its GitHub organization account, which was used to publish 10 malicious npm packages. These packages were downloaded approximately 5,000 times, constituting a significant software supply chain attack.
France’s state-owned defense firm Naval Group is investigating a cyberattack after 1TB of allegedly stolen data was leaked on a hacking forum.
Allianz Life confirmed a data breach impacting the majority of its 1.4 million US customers, including compromised information of customers, financial professionals, and employees.
NASCAR disclosed that personal information, including names and Social Security numbers, was stolen in an April 2025 ransomware attack.
The Tea app breach expanded, with a second database leak exposing 1.1 million private user messages and data being circulated on hacking forums.
Lovense’s connected sex toy app is vulnerable to a flaw that exposes user email addresses, putting users at risk of doxxing.
Endgame Gear’s OP1w 4k v2 mouse configuration tool was infected with malware and distributed via the official website between June 26 and July 9, 2025.
The US Energy Department, including its National Nuclear Security Administration, was listed among recent high-profile attacks according to threat intelligence bulletins.

A critical unauthenticated remote code execution vulnerability (CVE-2025-20281) in Cisco Identity Services Engine (ISE) has a complete public exploit chain and is being actively exploited.
Multiple vulnerabilities in PaperCut NG/MF print management software, including a remote code execution vulnerability via cross-site request forgery (CSRF), have been added to CISA’s Known Exploited Vulnerabilities catalog amid active exploitation.
A vulnerability in Google’s Gemini CLI AI coding assistant allowed silent execution of malicious code and data exfiltration via allowlisted programs.
Microsoft disclosed a macOS vulnerability (“Sploitlight”) that could bypass Transparency, Consent, and Control (TCC) checks, exposing sensitive user data, including Apple Intelligence cache.
The Post SMTP WordPress plugin (400,000+ installations) is affected by a critical flaw allowing website takeover; approximately half of affected sites remain unpatched.

The BlackSuit ransomware group has been disrupted by law enforcement, with former members forming a new double-extortion group under the name Chaos ransomware.
Scattered Spider, a financially motivated threat actor, is shifting tactics to target VMware vSphere environments directly, deploying ransomware from the hypervisor rather than through Active Directory.
Ukrainian and Belarusian hacker groups claimed responsibility for a cyberattack on Russian airline Aeroflot, resulting in the cancellation of over 100 flights.
A new infostealer malware, Shuyal Stealer, is targeting credentials and system data from 19 different browsers, including privacy-focused options, and demonstrates advanced evasion techniques.

Software supply chain attacks remain prevalent, as demonstrated by the Toptal npm incident and malware distribution via legitimate software tools (Endgame Gear).
Exposed API documentation continues to be a significant risk; the free Autoswagger tool was released to help identify and remediate API endpoint flaws.
Agentic AI and deepfake creation are rapidly advancing, increasing risks for identity fraud, disinformation, and targeted attacks.
The use of ransomware from virtualisation platforms (VMware vSphere) is an emerging tactic among financially motivated groups.
A trend of exploiting vulnerabilities in widely used plugins and platforms (WordPress, PaperCut, SharePoint) is ongoing, with rapid exploitation following disclosure.
The prevalence of data breaches involving large user databases highlights ongoing risks associated with third-party applications and cloud-based services.

CISA updated its Known Exploited Vulnerabilities catalog to include actively exploited flaws in PaperCut NG/MF.
Microsoft announced end of support for Windows 11 22H2 editions effective 14 October 2025.
The Internet Archive has become an official US federal depository library, expanding public access to government documents.
Adobe appointed Aanchal Gupta as Chief Security Officer.