Security News

Why 'Call This Number' TOAD Emails Beat Gateways

Attackers are bypassing email gateways through telephone-oriented attack delivery (TOAD), in which the only email payload is a phone number.

Malicious NuGet Packages Stole ASP.NET Data; npm Package Dropped Malware

Cybersecurity researchers have discovered four malicious NuGet packages that are designed to target ASP.NET web application developers to steal sensitive data. The campaign, discovered by Socket, exfiltrates ASP.NET Identity data, including user accounts, role assignments, and permission mappings, as well as manipulates authorization rules to create persistent backdoors in victim applications.

'Richter Scale' Model Measures Magnitude of OT Cyber Incidents

ICS/OT experts have devised a scoring system for rating the severity and effects of cybersecurity events in operational technology environments.

Manual Processes Are Putting National Security at Risk

Why automating sensitive data transfers is now a mission-critical priority More than half of national security organizations still rely on manual processes to transfer sensitive data, according to The CYBER360: Defending the Digital Battlespace report. This should alarm every defense and government leader because manual handling of sensitive data is not just inefficient, it is a systemic

Defense Contractor Employee Jailed for Selling 8 Zero-Days to Russian Broker

A 39-year-old Australian national who was previously employed at U.S. defense contractor L3Harris has been sentenced to a little over seven years in prison for selling eight zero-day exploits to Russian exploit broker Operation Zero in exchange for millions of dollars. Peter Williams pleaded guilty to two counts of theft of trade secrets in October 2025. In addition to the jail term, Williams

Operation Red Card 2.0 Leads to 651 Arrests in Africa

In the latest operation targeting cybercrime groups, African law enforcement agencies cooperated with Interpol and cybersecurity firms to recover more than USD 4.3 million.

SolarWinds Patches 4 Critical Serv-U 15.5 Flaws Allowing Root Code Execution

SolarWinds has released updates to address four critical security flaws in its Serv-U file transfer software that, if successfully exploited, could result in remote code execution. The vulnerabilities, all rated 9.1 on the CVSS scoring system, are listed below - CVE-2025-40538 - A broken access control vulnerability that allows an attacker to create a system admin user and execute arbitrary

CISA Confirms Active Exploitation of FileZen CVE-2026-25108 Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a recently disclosed vulnerability in FileZen to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-25108 (CVSS v4 score: 8.7), is a case of operating system (OS) command injection that could allow an authenticated user to execute

ISC Stormcast For Wednesday, February 25th, 2026 https://isc.sans.edu/podcastdetail/9824, (Wed, Feb 25th)

Attackers Now Need Just 29 Minutes to Own a Network

Credential misuse, AI tools, and security blind spots help attackers move through breached networks faster than ever, CrowdStrike finds.

Lazarus Group Picks a New Poison: Medusa Ransomware

The North Korean threat group also leveraged Comebacker backdoor, Blindingcan RAT, and info stealer Infohook in its recent attacks.

RoguePilot Flaw in GitHub Codespaces Enabled Copilot to Leak GITHUB_TOKEN

A vulnerability in GitHub Codespaces could have been exploited by bad actors to seize control of repositories by injecting malicious Copilot instructions in a GitHub issue. The artificial intelligence (AI)-driven vulnerability has been codenamed RoguePilot by Orca Security. It has since been patched by Microsoft following responsible disclosure. "Attackers can craft hidden instructions inside a

Open Redirects: A Forgotten Vulnerability?, (Tue, Feb 24th)

In 2010, OWASP added "Unvalidated Redirects and Forwards" to its Top 10 list and merged it into "Sensitive Data Exposure" in 2013. Open redirects are often overlooked, and their impact is not always well understood. At first, it does not look like a big deal. The user is receiving a 3xx status code and is being redirected to another URL. That target URL should handle all authentication and access control, regardless of where the data originated.

UAC-0050 Targets European Financial Institution With Spoofed Domain and RMS Malware

A Russia-aligned threat actor has been observed targeting a European financial institution as part of a social engineering attack to likely facilitate intelligence gathering or financial theft, signaling a possible expansion of the threat actor's targeting beyond Ukraine and into entities supporting the war-torn nation. The activity, which targeted an unnamed entity involved in regional

As Cybersecurity Firms Chase AI, VC Market Skyrockets

Investments in cybersecurity startups took off in 2025, as venture capital firms focused not just on AI-native tech, but talent as well.

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

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

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

UnsolicitedBooker Targets Central Asian Telecoms With LuciDoor and MarsSnake Backdoors

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

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

ISC Stormcast For Tuesday, February 24th, 2026 https://isc.sans.edu/podcastdetail/9822, (Tue, Feb 24th)