Security News

CISA Adds 4 Exploited Flaws to KEV, Sets May 2026 Federal Deadline

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added four vulnerabilities impacting SimpleHelp, Samsung MagicINFO 9 Server, and D-Link DIR-823X series routers to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The list of vulnerabilities is below - CVE-2024-57726 (CVSS score: 9.9) - A missing authorization vulnerability in

Helping Romance Scam Victims Require a Proactive, Empathic Approach

People targeted by confidence schemes find getting help is a lonely road. Experts want law enforcement, financial and government institutions to work together and protect them.

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive Security Appliance (ASA) software was compromised in September 2025 with malware called FIRESTARTER. FIRESTARTER, per CISA and the U.K.'s National Cyber Security Centre (NCSC), is assessed to be a backdoor designed for remote access and

US Busts Myanmar Ring Targeting US Citizens in Financial Fraud

Some 29 people were charged, including a Cambodian senator, and authorities seized more than 500 Web domains tied to fake investment sites.

Glasswing Secured the Code. The Rest of Your Stack Is Still on You

Forgotten integrations, shadow IT, SaaS, and now shadow AI and agents are everywhere, and attackers don't need sophisticated AI models to take advantage.

NASA Employees Duped in Chinese Phishing Scheme Targeting U.S. Defense Software

The Office of Inspector General (OIG) of the U.S. National Aeronautics and Space Administration (NASA) has revealed how a Chinese national posed as a U.S. researcher as part of a spear-phishing campaign to obtain sensitive information from the space agency, as well as from government entities, universities, and private companies, in violation of export control laws. "For years, NASA employees

AI Phishing Is No. 1 With a Bullet for Cyberattackers

In the last six months, companies have seen a significant influx of AI-powered phishing, as cyberattackers progress from small campaigns to 1-to-1 personalized attacks.

North Korea's Lazarus Targets macOS Users via ClickFix

Lazarus continues leveraging ClickFix for initial access and data theft, in this case, against Mac-centric organizations and their high-value leaders.

Bridging the AI Agent Authority Gap: Continuous Observability as the Decision Engine

The AI Agent Authority Gap - From Ungoverned to Delegation As discussed in our previous article, AI agents are exposing a structural gap in enterprise security, but the problem is often framed too narrowly. The issue is not simply that agents are new actors. It is that agents are delegated actors. They do not emerge with independent authority. They are triggered, invoked, provisioned, or

26 FakeWallet Apps Found on Apple App Store Targeting Crypto Seed Phrases

Cybersecurity researchers have discovered a set of malicious apps on the Apple App Store that impersonate popular cryptocurrency wallets in an attempt to steal recovery phrases and private keys since at least fall 2025. "Once launched, these apps redirect users to browser pages designed to look similar to the App Store and distribute trojanized versions of legitimate wallets," Kaspersky

Tropic Trooper Uses Trojanized SumatraPDF and GitHub to Deploy AdaptixC2

Chinese-speaking individuals are the target of a new campaign that uses a trojanized version of SumatraPDF reader to deploy the AdaptixC2 Beacon post-exploitation agent and ultimately facilitate the abuse of Microsoft Visual Studio Code (VS Code) tunnels for remote access. Zscaler ThreatLabz, which discovered the campaign last month, has attributed it with high confidence to Tropic Trooper (aka

LMDeploy CVE-2026-33626 Flaw Exploited Within 13 Hours of Disclosure

A high-severity security flaw in LMDeploy, an open-source toolkit for compressing, deploying, and serving LLMs, has come under active exploitation in the wild less than 13 hours after its public disclosure. The vulnerability, tracked as CVE-2026-33626 (CVSS score: 7.5), relates to a Server-Side Request Forgery (SSRF) vulnerability that could be exploited to access sensitive data. "A server-side

ISC Stormcast For Friday, April 24th, 2026 https://isc.sans.edu/podcastdetail/9906, (Fri, Apr 24th)

Tropic Trooper APT Takes Aim at Home Routers, Japanese Targets

The Chinese state-sponsored cyber threat is known for moving fast and trying odd attack vectors; now it's branching out in tools, victimology, and TTPs.

Chinese APT Abuses Multiple Cloud Tools to Spy on Mongolia

The threat actor gave itself plenty of options to support command and control, tapping Microsoft Outlook, Slack, Discord, and file.io for online espionage.

China-Backed Hackers Are Industrializing Botnets

China's state-backed groups are now using covert networks of compromised devices to execute attacks in a low-cost, low-risk, and deniable way.

UNC6692 Impersonates IT Helpdesk via Microsoft Teams to Deploy SNOW Malware

A previously undocumented threat activity cluster known as UNC6692 has been observed leveraging social engineering tactics via Microsoft Teams to deploy a custom malware suite on compromised hosts. "As with many other intrusions in recent years, UNC6692 relied heavily on impersonating IT helpdesk employees, convincing their victim to accept a Microsoft Teams chat invitation from an account

Bad Memories Still Haunt AI Agents

Cisco found and fixed a significant vulnerability in the way Anthropic handles memories, but experts warn that mishandled memory files will continue threaten AI systems.

Bitwarden CLI Compromised in Ongoing Checkmarx Supply Chain Campaign

Bitwarden CLI has been compromised as part of the newly discovered and ongoing Checkmarx supply chain campaign, according to new findings from Socket. "The affected package version appears to be @bitwarden/cli@2026.4.0, and the malicious code was published in 'bw1.js,' a file included in the package contents," the application security company said. "The attack appears to have leveraged a

ThreatsDay Bulletin: $290M DeFi Hack, macOS LotL Abuse, ProxySmart SIM Farms +25 New Stories

You scroll past one incident and see another that feels familiar, like it should have been fixed years ago, but it still works with small changes. Same bugs. Same mistakes. The supply chain is messy. Packages you did not check are stealing data, adding backdoors, and spreading. Attacking the systems behind apps is easier than breaking the apps themselves. The exploits are simple but still work