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Weekly Cyber News Digest

By Damien Pope / May 21, 2025


World’s first CPU-level ransomware can ‘bypass every traditional technology we have out there’

A new security threat that could impact critical infrastructure has been developed. Known as CPU ransomware, it can bypass traditional security measures and could open the door to a new era of unavoidable ransomware attacks.


World's first CPU-level ransomware can 'bypass every traditional technology we have out there'

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Education giant Pearson hit by cyberattack exposing customer data

Educational service provider Pearson was hit by a cyberattack, resulting in the theft of corporate and customer data. This incident underlines the need for strong cybersecurity measures in the education sector.


Education giant Pearson hit by cyberattack exposing customer data

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Coinbase says hackers bribed staff to steal customer data and are demanding $20 million ransom

Coinbase, a digital currency exchange, has experienced a cyberattack that resulted in the theft of customer data. This event is a reminder that even tech-savvy businesses need to ensure their staff are aware of cybersecurity threats and how to prevent them.


Coinbase says hackers bribed staff to steal customer data and are demanding $20 million ransom

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CISA: Recently fixed Chrome vulnerability exploited in the wild (CVE-2025-4664)

Google’s Chrome browser had a vulnerability that was being exploited by attackers. This reinforces the importance of keeping software up to date to protect against cybersecurity threats.


CISA: Recently fixed Chrome vulnerability exploited in the wild (CVE-2025-4664)

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CompTIA targets OT cyber skills gap with new SecOT+ certification

CompTIA is developing a new certification focused on core cybersecurity skills for operational technology (OT) environments. This initiative aims to address the ongoing skills gap in the OT cybersecurity sector.


CompTIA targets OT cyber skills gap with new SecOT+ certification

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Update your Chrome to fix serious actively exploited vulnerability

Google’s Chrome browser had a serious vulnerability that was being actively exploited. This highlights the importance of regular software updates to protect against cybersecurity threats.


Update your Chrome to fix serious actively exploited vulnerability

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Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review

Microsoft has released important security updates addressing multiple vulnerabilities across Windows, Office, and other key products. Regular updates are crucial in maintaining the security of systems and data.


Microsoft and Adobe Patch Tuesday, May 2025 Security Update Review

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Google Chrome Zero-Day Vulnerability (CVE-2025-4664) Actively Exploited in The Wild

Google has released an update to address a zero-day vulnerability in its Chrome browser that was being actively exploited. This emphasises the importance of keeping software updated to protect against security threats.


Google Chrome Zero-Day Vulnerability (CVE-2025-4664) Actively Exploited in The Wild

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Microsoft Fixes Seven Zero-Days in May Patch Tuesday

Microsoft has released patches for seven high-risk vulnerabilities, five of which were being exploited. Regular updates are crucial for protecting systems and data from cybersecurity threats.


Microsoft Fixes Seven Zero-Days in May Patch Tuesday

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Samsung Patches CVE-2025-4632 Used to Deploy Mirai Botnet via MagicINFO 9 Exploit

Samsung has released a patch for a critical flaw that was being exploited to deploy the Mirai botnet. This highlights the importance of regular software updates for preventing cybersecurity threats.


Samsung Patches CVE-2025-4632 Used to Deploy Mirai Botnet via MagicINFO 9 Exploit

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May Patch Tuesday brings five exploited zero-days to fix

Microsoft has released patches for five high-risk vulnerabilities that were being exploited. Regular updates are crucial for protecting systems and data from cybersecurity threats.


May Patch Tuesday brings five exploited zero-days to fix

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AI is the greatest threat—and defense—in cybersecurity today. Here’s why.

Artificial Intelligence (AI) is increasingly being used in cybersecurity, both as a threat and a defence. Businesses need to understand how AI can impact their cybersecurity strategies.


AI is the greatest threat—and defense—in cybersecurity today. Here’s why.

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Expression Payloads Meet Mayhem – Ivanti EPMM Unauth RCE Chain (CVE-2025-4427 and CVE-2025-4428)

New vulnerabilities have been found in enterprise software, emphasising the importance of staying updated with the latest vulnerability news to maintain the security of systems and data.


Expression Payloads Meet Mayhem - Ivanti EPMM Unauth RCE Chain (CVE-2025-4427 and CVE-2025-4428)

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Congress faces pressure to renew cyber information-sharing law

The upcoming expiration of a US law could impact information-sharing partnerships that help prevent cyberattacks. This development reminds us of the importance of legislative support for cybersecurity initiatives.


Congress faces pressure to renew cyber information-sharing law

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AI and Cybersecurity Under the Spotlight: UK Publishes New Codes for Software Security and Warns on AI Cybersecurity Divide

The UK’s National Cyber Security Centre has released a report on the impact of AI on cyber threats, highlighting the importance of understanding how AI can affect cybersecurity strategies.


AI and Cybersecurity Under the Spotlight: UK Publishes New Codes for Software Security and Warns on AI Cybersecurity Divide

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Windows Zero-Day Bug Exploited for Browser-Led RCE

A high-risk vulnerability in Microsoft’s Windows software was exploited through a web browser. This highlights the importance of keeping software updated to protect against security threats.


Windows Zero-Day Bug Exploited for Browser-Led RCE

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Steelmaker Nucor discloses cyberattack on IT network

Nucor, a steel manufacturing company, has experienced a cyberattack on its IT network. This event serves as a reminder that industrial companies require strong cybersecurity measures.


Steelmaker Nucor discloses cyberattack on IT network

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May 2025 Patch Tuesday: Updates and Analysis

Microsoft has released security updates for 72 vulnerabilities, including five actively exploited zero-days. Regular updates are crucial for maintaining the security of systems and data.

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Sent by Implicit OT – Cyber Team —
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