• Mustang Panda Uses Signed Kernel-Mode Rootkit to Load TONESHELL Backdoor

    The Chinese hacking group known as Mustang Panda has leveraged a previously undocumented kernel-mode rootkit driver to deliver a new variant of backdoor dubbed TONESHELL in a cyber attack detected in mid-2025 targeting an unspecified entity in Asia. The findings come from Kaspersky, which observed the new backdoor variant in cyber espionage campaigns mounted by…

  • Happy 16th Birthday, KrebsOnSecurity.com!

    KrebsOnSecurity.com celebrates its 16th anniversary today! A huge “thank you” to all of our readers — newcomers, long-timers and drive-by critics alike. Your engagement this past year here has been tremendous and truly a salve on a handful of dark days. Happily, comeuppance was a strong theme running through our coverage in 2025, with a…

  • SBOMs in 2026: Some Love, Some Hate, Much Ambivalence

    With a new year upon us, software and cybersecurity experts disagree on the utility of software bill of materials — in theory, SBOMs are great, but in practice, they’re a mess. ​ ​ ​Read More

  • 5 Threats That Defined Security in 2025

    2025 included a number of monumental threats, from the global attacks of Salt Typhoon to dangerous vulnerabilities like React2Shell. ​ ​ ​Read More

  • ⚡ Weekly Recap: MongoDB Attacks, Wallet Breaches, Android Spyware, Insider Crime & More

    Last week’s cyber news in 2025 was not about one big incident. It was about many small cracks opening at the same time. Tools people trust every day behave in unexpected ways. Old flaws resurfaced. New ones were used almost immediately. A common theme ran through it all in 2025. Attackers moved faster than fixes.…

  • The HoneyMyte APT evolves with a kernel-mode rootkit and a ToneShell backdoor

    Overview of the attacks In mid-2025, we identified a malicious driver file on computer systems in Asia. The driver file is signed with an old, stolen, or leaked digital certificate and registers as a mini-filter driver on infected machines. Its end-goal is to inject a backdoor Trojan into the system processes and provide protection for…

  • New MongoDB Flaw Lets Unauthenticated Attackers Read Uninitialized Memory

    A high-severity security flaw has been disclosed in MongoDB that could allow unauthenticated users to read uninitialized heap memory. The vulnerability, tracked as CVE-2025-14847 (CVSS score: 8.7), has been described as a case of improper handling of length parameter inconsistency, which arises when a program fails to appropriately tackle scenarios where a length field is…

  • Trust Wallet Chrome Extension Breach Caused $7 Million Crypto Loss via Malicious Code

    Trust Wallet is urging users to update its Google Chrome extension to the latest version following what it described as a “security incident” that led to the loss of approximately $7 million. The issue, the multi‑chain, non‑custodial cryptocurrency wallet service said, impacts version 2.68. The extension has about one million users, according to the Chrome…

  • Mentorship and Diversity: Shaping the Next Generation of Cyber Experts

    Patricia Voight, CISO at Webster Bank, shares her expertise on advancing cybersecurity careers, combating financial crimes, and championing diversity in a rapidly changing industry. ​ ​ ​Read More

  • China-Linked Evasive Panda Ran DNS Poisoning Campaign to Deliver MgBot Malware

    A China-linked advanced persistent threat (APT) group has been attributed to a highly-targeted cyber espionage campaign in which the adversary poisoned Domain Name System (DNS) requests to deliver its signature MgBot backdoor in attacks targeting victims in Türkiye, China, and India. The activity, Kaspersky said, was observed between November 2022 and November 2024. It has…