The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw impacting F5 BIG-IP Access Policy Manager (APM) to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability in question is CVE-2025-53521 (CVSS v4 score: 9.3), which could allow a threat actorRead More »CISA Adds CVE-2025-53521 to KEV After Active F5 BIG-IP APM Exploitation

Proofpoint has disclosed details of a targeted email campaign in which threat actors with ties to Russia are leveraging the recently disclosed DarkSword exploit kit to target iOS devices. The activity has been attributed with high confidence to the Russian state-sponsored threat group known as TA446, which is also trackedRead More »TA446 Deploys Leaked DarkSword iOS Exploit Kit in Targeted Spear-Phishing Campaign

Apple is now sending Lock Screen notifications to iPhones and iPads running older versions of iOS and iPadOS to alert users of web-based attacks and urge them to install the update. The development was first reported by MacRumors. “Apple is aware of attacks targeting out-of-date iOS software, including the versionRead More »Apple Sends Lock Screen Alerts to Outdated iPhones Over Active Web-Based Exploits

TeamPCP, the threat actor behind the supply chain attack targeting Trivy, KICS, and litellm, has now compromised the telnyx Python package by pushing two malicious versions to steal sensitive data. The two versions, 4.87.1 and 4.87.2, published to the Python Package Index (PyPI) repository on March 27, 2026, concealed theirRead More »TeamPCP Pushes Malicious Telnyx Versions to PyPI, Hides Stealer in WAV Files

Cybersecurity researchers have disclosed details of a now-patched bug impacting Open VSX’s pre-publish scanning pipeline to cause the tool to allow a malicious Microsoft Visual Studio Code (VS Code) extension to pass the vetting process and go live in the registry. “The pipeline had a single boolean return value thatRead More »Open VSX Bug Let Malicious VS Code Extensions Bypass Pre-Publish Security Checks

Threat actors are using adversary-in-the-middle (AitM) phishing pages to seize control of TikTok for Business accounts in a new campaign, according to a report from Push Security. Business accounts associated with social media platforms are a lucrative target, as they can be weaponized by bad actors for malvertising and distributingRead More »AitM Phishing Targets TikTok Business Accounts Using Cloudflare Turnstile Evasion