PT-2026-35172

3/4 Nation-states already weaponizing it: • Chinese APT29 Cozy Bear chaining poisoned Terraform for gov/defense persistence • Russian GRU targeting CNAPP layers in EU energy/finance 🚨 Terraform Enterprise RCE zero-day CVE-2026-81234 actively exploited & just added to CISA KEV today!...

FBI Warns Russian Hackers Target Signal, WhatsApp in Mass Phishing Attacks

Threat actors affiliated with Russian Intelligence Services are conducting phishing campaigns to compromise commercial messaging applications CMAs like WhatsApp and Signal to seize control of accounts belonging to individuals with high intelligence value, the U.S. Cybersecurity and Infrastructure...

The Evolution of Russian Physical-Cyber Espionage

The Evolution of Russian Physical-Cyber Espionage By Ryan Slaney · October 6, 2025 Russian state-sponsored cyber operations, primarily those conducted by hackers belonging to its Main Intelligence Directorate GRU, also known as APT28, have long combined digital intrusions with physical tradecraft...

When Getting Phished Puts You in Mortal Danger

Many successful phishing attacks result in a financial loss or malware infection. But falling for some phishing scams, like those currently targeting Russians searching online for organizations that are fighting the Kremlin war machine, can cost you your freedom or your life. The real website of...

Notorious Evil Corp Hackers Targeted NATO Allies for Russian Intelligence

UK law enforcement and international partners have released new details about the cybercriminal gang Evil Corp, including its use of the Lockbit ransomware platform and ties to Russian intelligence...

US bans Kaspersky, warns: “Immediately stop using that software”

The US government will ban the sale of Kaspersky antivirus products to new customers in the United States starting July 20, with a follow-on deadline to prohibit the cybersecurity company from providing users with software updates after September 29. The move follows years of allegations that the...

Microsoft Executives Hacked

Microsoft is reporting that a Russian intelligence agency--the same one responsible for SolarWinds--accessed the email system of the companys executives. Beginning in late November 2023, the threat actor used a password spray attack to compromise a legacy non-production test tenant account and ga...

Exploit for Improper Input Validation in Microsoft

CVE-2023-23397 Vulnerability Details 🚨💻 Microsoft has recent...

Apple & Microsoft Patch Tuesday, July 2023 Edition

Microsoft Corp. today released software updates to quash 130 security bugs in its Windows operating systems and related software, including at least five flaws that are already seeing active exploitation. Meanwhile, Apple customers have their own zero-day woes again this month: On Monday, Apple...

Threat Source newsletter (April 20, 2023) — Preview of Cisco and Talos at RSA

Welcome to this weeks edition of the Threat Source newsletter. Were firing up the conference circuit again for 2023, kicking things off next week with the RSA Conference in San Francisco. Cisco has a ton of exciting announcements, keynotes and talks lined up for the week, but there are also plent...

U.K. and U.S. Sanction 7 Russians for TrickBot, Ryuk, and Conti Ransomware Attacks

In a first-of-its-kind coordinated action, the U.K. and U.S. governments on Thursday levied sanctions against seven Russian nationals for their affiliation to the TrickBot, Ryuk, and Conti cybercrime operation. The individuals designated under sanctions are Vitaly Kovalev aka Alex Konor, Bentley,...

A New Destructive Malware Targeting Ukrainian Government and Business Entities

Cybersecurity teams from Microsoft on Saturday disclosed they identified evidence of a new destructive malware operation dubbed "WhisperGate" targeting government, non-profit, and information technology entities in Ukraine amid brewing geopolitical tensions between the country and Russia. "The...

A week in security (April 12 – 18)

Last week on Malwarebytes Labs, our podcast featured Troy Hunt, Chloé Messdaghi, and Tanya Janca who discussed security fatigue with us. We announced the release of the Malwarebytes SMB Cybersecurity Trust & Confidence Report 2021, a first-of-its-kind survey of the hardworking IT professionals on...

Nuclear Weapons Agency Hacked in Widening Cyberattack

The Energy Department and its National Nuclear Security Administration NNSA, which is the agency that maintains the U.S. nuclear stockpile, have been compromised as part of the widespread cyberattack uncovered this week stemming from the massive SolarWinds hack. An exclusive report by Politico...

This Week in Security News: Watering Hole Campaign Operation Earth Kitsune Spying on Users’ Systems and Fancy Bear Imposters Are on a Hacking Extortion Spree

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn about a watering hole campaign Trend Micro dubbed ‘Operation Earth Kitsune’ that is spying on users’ systems through compromised...

U.S. Charges 6 Russian Intelligence Officers Over Destructive Cyberattacks

The US government on Monday formally charged six Russian intelligence officers for carrying out destructive malware attacks with an aim to disrupt and destabilize other nations and cause monetary losses. The individuals, who work for Unit 74455 of the Russian Main Intelligence Directorate GRU, ha...

U.S. Charges 6 Russian Intelligence Officers Over Destructive Cyberattacks

The US government on Monday formally charged six Russian intelligence officers for carrying out destructive malware attacks with an aim to disrupt and destabilize other nations and cause monetary losses. The individuals, who work for Unit 74455 of the Russian Main Intelligence Directorate GRU, ha...

DNC Becomes Latest Target in Series of Election-Season Attacks

UPDATE The Democratic National Committee said Wednesday that it reportedly disrupted an attempt to compromise its voter database – apparently the latest in a series of malicious efforts designed to harvest credentials belonging political targets or influence the electorate ahead of the November...

Yahoo Hacker linked to Russian Intelligence Gets 5 Years in U.S. Prison

A 23-year-old Canadian man, who pleaded guilty last year for his role in helping Russian government spies hack into email accounts of Yahoo users and other services, has been sentenced to five years in prison. Karim Baratov a.k.a Karim Taloverov, a.k.a Karim Akehmet Tokbergenov, a Kazakhstan-born...

22-Year-Old Hacker Pleads Guilty to 2014 Yahoo Hack, Admits Helping Russian Intelligence

Karim Baratov, a 22-year-old Kazakhstan-born Canadian citizen, has pleaded guilty to hacking charges over his involvement in massive 2014 Yahoo data breach that affected all three billion yahoo accounts. In March, the US Justice Department announced charges against two Russian intelligence office...