Insights

CISA Releases Twenty-Two Industrial Control Systems Advisories

CISA released twenty-two Industrial Control Systems (ICS) advisories on May 15, 2025. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-25-135-01 Siemens RUGGEDCOM APE1808 Devices ICSA-25-135-02 Siemens INTRALOG WMS ICSA-25-135-03 Siemens BACnet ATEC Devices ICSA-25-135-04 Siemens Desigo ICSA-25-135-05 Siemens SIPROTEC and SICAM ICSA-25-135-06 Siemens Teamcenter Visualization ICSA-25-135-07 Siemens IPC RS-828A ICSA-25-135-08 Siemens VersiCharge AC Series EV Chargers ICSA-25-135-09 Siemens User Management Component (UMC) ICSA-25-135-10 Siemens OZW Web Servers ICSA-25-135-11…

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Patch Tuesday, May 2025 Edition

Microsoft on Tuesday released software updates to fix at least 70 vulnerabilities in Windows and related products, including five zero-day flaws that are already seeing active exploitation. Adding to the sense of urgency with this month’s patch batch from Redmond are fixes for two other weaknesses that now have public proof-of-concept exploits available. Microsoft and several security firms have disclosed that attackers are exploiting a pair of bugs in the Windows Common Log File System (CLFS)…

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Five Years Later: Evolving IoT Cybersecurity Guidelines

The Background…and NIST’s Plan for Improving IoT Cybersecurity The passage of the Internet of Things (IoT) Cybersecurity Improvement Act in 2020 marked a pivotal step in enhancing the cybersecurity of IoT products. Recognizing the increasing internet connectivity of physical devices, this legislation tasked NIST with developing cybersecurity guidelines to manage and secure IoT effectively. As an early building block, we developed NIST IR 8259, Foundational Cybersecurity Activities for IoT Device Manufacturers, which describes recommended activities related to…

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Update to How CISA Shares Cyber-Related Alerts and Notifications

Starting May 12, CISA is changing how we announce cybersecurity updates and the release of new guidance. These announcements will only be shared through CISA social media platforms and email and will no longer be listed on our Cybersecurity Alerts & Advisories webpage.   The focus of our Cybersecurity Alerts & Advisories webpage will now be on urgent information tied to emerging threats or major cyber activity. CISA wants this critical information to get the attention…

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Pakistani Firm Shipped Fentanyl Analogs, Scams to US

A Texas firm recently charged with conspiring to distribute synthetic opioids in the United States is at the center of a vast network of companies in the U.S. and Pakistan whose employees are accused of using online ads to scam westerners seeking help with trademarks, book writing, mobile app development and logo designs, a new investigation reveals. In an indictment (PDF) unsealed last month, the U.S. Department of Justice said Dallas-based eWorldTrade “operated an online…

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Unsophisticated Cyber Actor(s) Targeting Operational Technology

CISA is increasingly aware of unsophisticated cyber actor(s) targeting ICS/SCADA systems within U.S. critical Infrastructure sectors (Oil and Natural Gas), specifically in Energy and Transportation Systems. Although these activities often include basic and elementary intrusion techniques, the presence of poor cyber hygiene and exposed assets can escalate these threats, leading to significant consequences such as defacement, configuration changes, operational disruptions and, in severe cases, physical damage. CISA strongly urges Critical Infrastructure Asset Owners and Operators…

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Small Businesses Create Big Impact: NIST Celebrates 2025 National Small Business Week

This week we’re celebrating National Small Business Week—which recognizes and celebrates the small and medium-sized business (SMB) community’s significant contributions to the nation. SMBs are a substantial and critical part of the U.S. and global economic and cybersecurity infrastructure. According to the U.S. Small Business Administration’s Office of Advocacy,[1] there are 34.8 million SMBs in the United States (making up 99% of all U.S. businesses). Of those, 81.7% are non-employer firms with no paid employees other…

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xAI Dev Leaks API Key for Private SpaceX, Tesla LLMs

An employee at Elon Musk’s artificial intelligence company xAI leaked a private key on GitHub that for the past two months could have allowed anyone to query private xAI large language models (LLMs) which appear to have been custom made for working with internal data from Musk’s companies, including SpaceX, Tesla and Twitter/X, KrebsOnSecurity has learned. Image: Shutterstock, @sdx15. Philippe Caturegli, “chief hacking officer” at the security consultancy Seralys, was the first to publicize the leak…

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Alleged ‘Scattered Spider’ Member Extradited to U.S.

A 23-year-old Scottish man thought to be a member of the prolific Scattered Spider cybercrime group was extradited last week from Spain to the United States, where he is facing charges of wire fraud, conspiracy and identity theft. U.S. prosecutors allege Tyler Robert Buchanan and co-conspirators hacked into dozens of companies in the United States and abroad, and that he personally controlled more than $26 million stolen from victims. Scattered Spider is a loosely affiliated…

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DOGE Worker’s Code Supports NLRB Whistleblower

A whistleblower at the National Labor Relations Board (NLRB) alleged last week that denizens of Elon Musk’s Department of Government Efficiency (DOGE) siphoned gigabytes of data from the agency’s sensitive case files in early March. The whistleblower said accounts created for DOGE at the NLRB downloaded three code repositories from GitHub. Further investigation into one of those code bundles shows it is remarkably similar to a program published in January 2025 by Marko Elez, a…

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