Latest Cybersecurity News and Articles


CISO Conversations: Timothy Youngblood; 4x Fortune 500 CISO/CSO

24 February 2026
Timothy Youngblood was CISO at Dell, CISO at Kimberley-Clark, VP & CISO at McDonald’s, and SVP, CSO & Product Security Officer at T-Mobile. The post CISO Conversations: Timothy Youngblood; 4x Fortune 500 CISO/CSO appeared first on SecurityWeek.

New ‘Sandworm_Mode’ Supply Chain Attack Hits NPM

24 February 2026
The malicious code propagates like a worm, poisons AI assistants, exfiltrates secrets, and contains a destructive dead switch. The post New ‘Sandworm_Mode’ Supply Chain Attack Hits NPM appeared first on SecurityWeek.

GitHub Issues Abused in Copilot Attack Leading to Repository Takeover

24 February 2026
Attackers can inject malicious instructions in a GitHub Issue that are automatically processed by Copilot when launching a Codespace from that issue. The post GitHub Issues Abused in Copilot Attack Leading to Repository Takeover appeared first on SecurityWeek.

Taiwan Security Firm Confirms Flaw Flagged by CISA Likely Exploited by Chinese APTs

24 February 2026
The vulnerability in TeamT5 ThreatSonar Anti-Ransomware was recently added to CISA’s KEV catalog. The post Taiwan Security Firm Confirms Flaw Flagged by CISA Likely Exploited by Chinese APTs appeared first on SecurityWeek.

Identity Prioritization isn't a Backlog Problem - It's a Risk Math Problem

24 February 2026
Most identity programs still prioritize work the way they prioritize IT tickets: by volume, loudness, or “what failed a control check.” That approach breaks the moment your environment stops being mostly-human and mostly-onboarded. In modern enterprises, identity risk is created by a compound of factors: control posture, hygiene, business context, and intent. Any one of these can perhaps be

Lazarus Group Uses Medusa Ransomware in Middle East and U.S. Healthcare Attacks

24 February 2026
The North Korea-linked Lazarus Group (aka Diamond Sleet and Pompilus) has been observed using Medusa ransomware in an attack targeting an unnamed entity in the Middle East, according to a new report by the Symantec and Carbon Black Threat Hunter Team. Broadcom's threat intelligence division said it also identified the same threat actors mounting an unsuccessful attack against a healthcare

Anonymous Fénix Members Arrested in Spain

24 February 2026
The group’s administrator and moderator were arrested last year, and two other members were arrested this month. The post Anonymous Fénix Members Arrested in Spain appeared first on SecurityWeek.

UnsolicitedBooker Targets Central Asian Telecoms With LuciDoor and MarsSnake Backdoors

24 February 2026
The threat activity cluster known as UnsolicitedBooker has been observed targeting telecommunications companies in Kyrgyzstan and Tajikistan, marking a shift from prior attacks aimed at Saudi Arabian entities. The attacks involve the deployment of two distinct backdoors codenamed LuciDoor and MarsSnake, according to a report published by Positive Technologies last week. "The group used several

Anthropic Says Chinese AI Firms Used 16 Million Claude Queries to Copy Model

24 February 2026
Anthropic on Monday said it identified "industrial-scale campaigns" mounted by three artificial intelligence (AI) companies, DeepSeek, Moonshot AI, and MiniMax, to illegally extract Claude's capabilities to improve their own models. The distillation attacks generated over 16 million exchanges with its large language model (LLM) through about 24,000 fraudulent accounts in violation of its terms

APT28 Targeted European Entities Using Webhook-Based Macro Malware

23 February 2026
The Russia-linked state-sponsored threat actor tracked as APT28 has been attributed to a new campaign targeting specific entities in Western and Central Europe. The activity, per S2 Grupo's LAB52 threat intelligence team, was active between September 2025 and January 2026. It has been codenamed Operation MacroMaze. "The campaign relies on basic tooling and the exploitation of legitimate services

Wormable XMRig Campaign Uses BYOVD Exploit and Time-Based Logic Bomb

23 February 2026
Cybersecurity researchers have disclosed details of a new cryptojacking campaign that uses pirated software bundles as lures to deploy a bespoke XMRig miner program on compromised hosts. "Analysis of the recovered dropper, persistence triggers, and mining payload reveals a sophisticated, multi-stage infection prioritizing maximum cryptocurrency mining hashrate, often destabilizing the victim

US Healthcare Diagnostic Firm Says 140,000 Affected by Data Breach

23 February 2026
The Everest ransomware group has taken credit for a hacker attack on Vikor Scientific, now called Vanta Diagnostics. The post US Healthcare Diagnostic Firm Says 140,000 Affected by Data Breach appeared first on SecurityWeek.

Long Island Medium Star Theresa Caputo Meets Cybercrime Magazine – Live!

23 February 2026
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Feb. 23, 2026 In 2024, Long Island Medium star Theresa Caputo slammed online scammers and begged fans not to send money to them. The reality star warned fans about many social media users impersonating her The post Long Island Medium Star Theresa Caputo Meets Cybercrime Magazine – Live! appeared first on Cybercrime Magazine.

Ukrainian Gets 5 Years in US Prison for Aiding North Korean IT Fraud

23 February 2026
Oleksandr Didenko sold the stolen identities of US citizens, allowing North Koreans to get hired using freelance work platforms. The post Ukrainian Gets 5 Years in US Prison for Aiding North Korean IT Fraud appeared first on SecurityWeek.

⚡ Weekly Recap: Double-Tap Skimmers, PromptSpy AI, 30Tbps DDoS, Docker Malware & More

23 February 2026
Security news rarely moves in a straight line. This week, it feels more like a series of sharp turns, some happening quietly in the background, others playing out in public view. The details are different, but the pressure points are familiar. Across devices, cloud services, research labs, and even everyday apps, the line between normal behavior and hidden risk keeps getting thinner. Tools

Autonomous AI Agents Provide New Class of Supply Chain Attack

23 February 2026
While this campaign targets crypto wallets and steals money, the methodology has far wider potential that could be used by other attackers.  The post Autonomous AI Agents Provide New Class of Supply Chain Attack appeared first on SecurityWeek.

How Exposed Endpoints Increase Risk Across LLM Infrastructure

23 February 2026
As more organizations run their own Large Language Models (LLMs), they are also deploying more internal services and Application Programming Interfaces (APIs) to support those models. Modern security risks are being introduced less from the models themselves and more from the infrastructure that serves, connects and automates the model. Each new LLM endpoint expands the attack surface, often in

Romanian Hacker Pleads Guilty to Selling Access to US State Network

23 February 2026
Catalin Dragomir admitted in a US court to selling access to an Oregon state government office’s network. The post Romanian Hacker Pleads Guilty to Selling Access to US State Network appeared first on SecurityWeek.

Hundreds of FortiGate Firewalls Hacked in AI-Powered Attacks: AWS

23 February 2026
Threat actors relying on AI have been exploiting exposed ports and weak credentials to take over FortiGate devices. The post Hundreds of FortiGate Firewalls Hacked in AI-Powered Attacks: AWS appeared first on SecurityWeek.

Recent RoundCube Webmail Vulnerability Exploited in Attacks

23 February 2026
Patched in December 2025, the exploited flaw leads to XSS attacks via the animate tags in SVG documents. The post Recent RoundCube Webmail Vulnerability Exploited in Attacks appeared first on SecurityWeek.