Cyber Security Intelligence
Real-time aggregation of the most critical cybersecurity news, vulnerabilities, and threat warnings.
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The true cost of a ransomware attack, with and without BCDR
When businesses assess the impact of ransomware, the ransom payment often gets the most attention. But the ransom is only a small part of the total cost. According to IBM's Cost of a Data Breach Report 2025, the average...
Atomic macOS (AMOS) Stealer Activity
Executive Summary This article reviews an Atomic macOS (AMOS) stealer malware infection generated in a lab environment. While several sources have published articles analyzing AMOS stealer, the associated indicators...
Iranian cyber spies used fake MRI scan results to hack ‘enemy of regime’
Iranian cyber spies used fake MRI scan results to hack ‘enemy of regime’ British, American and Dutch security agencies issued a warning on Tuesday exposing a spyware tool being used by Iranian state-sponsored hackers...
VectraRAT Can Hack Windows Enterprises for $250 per Month
An original, full-stack malware-as-a-service (MaaS) platform gives cyberattackers all they need to compromise an organization's enterprise networks, demonstrating how it's becoming less expensive to develop a...
BambooToken malware controls Windows and Linux systems via MQTT
A previously unknown malware framework called BambooToken, active since at least 2023, is now using the Message Queuing Telemetry Transport (MQTT) protocol to communicate with Windows and Linux systems. The malware...
Hacked HBO Max Reddit Account Used for Malware Delivery via ClickFix Attack
Hackers compromised the official HBO Max account on Reddit and used it in a malvertising campaign leading to a ClickFix landing page. During a 48-hour window, the attackers pushed 108 malicious advertisements across...
'Sandworm' Chains Cisco Vulnerabilities to Deploy Cyclops Blink
A likely Russian threat actor is deploying a sophisticated malware implant capable of harvesting credentials, scanning internal networks, and capturing live traffic on compromised devices by chaining two vulnerabilities...
Pro-Ukraine Hacking Cat group deploying new malware against Russian targets
IMAGE: Artem Kniaz / Unsplash Pro-Ukraine Hacking Cat group deploying new malware against Russian targets Researchers have uncovered new hacking tools used by the pro-Ukraine hacktivist group Hacking Cat, which has...
Hackers hijack HBO Max Reddit account to push malware in ClickFix ads
Hackers compromised HBO Max's official Reddit account and used it to push malicious ads that launched ClickFix attacks to infect Windows and macOS devices with information-stealing malware. Security researchers at...
Ukrainian hacker gets four years in US prison over Conti ransomware attacks
Image: Moritz Kindler via Unsplash Ukrainian hacker gets four years in US prison over Conti ransomware attacks A Ukrainian national was sentenced to four years in a U.S. prison for his role in the notorious Conti...
AI Governance Can't Wait
OPINION Last week, my colleagues at ESET Labs found hackers intentionally tripping AI-safety guardrails with a nuclear weapon prompt — a novel technique named GuardBreaker that is designed to interfere with AI-assisted...
Anthropic Says Russian Hackers Used Claude AI to Automate Malware Evasion
Anthropic disrupted a cyberespionage operation whose tradecraft and targeting match the Russian state-nexus group tracked as Midnight Blizzard, the company said in a threat intelligence report published this week. The...