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Storm-2603 Exploits SharePoint Flaws to Deploy Warlock Ransomware on Unpatched Systems
Mark Anderson | Security | July 25, 2025

Euclid Security Newsletter

July 25, 2025 

Storm-2603 Exploits SharePoint Flaws to Deploy Warlock Ransomware on Unpatched Systems

Microsoft has revealed that one of the threat actors behind the active exploitation of SharePoint flaws is deploying Warlock ransomware on targeted systems.

 

Security News

iPhone vs. Android: iPhone users more reckless, less protected online

Compared to iPhone users, Android users share less of their personal information for promotional deals, more frequently use security tools, and more regularly create and manage unique passwords for their many online accounts.

Clorox Sues IT Service Provider Cognizant for Causing 2023 Cyber-Attack

The lawsuit claims that Cognizant failed to follow Clorox's password-reset protocols, neglected essential identity verification measures and enabled the attacker to gain access to the Clorox network.

Microsoft rolls out Windows 11 "quick recovery" feature

With the latest Windows 11 update, Microsoft is saying goodbye to the infamous "Blue Screen of Death" and has enabled the quick machine recovery feature by default for Home users.

Hackers Deploy Stealth Backdoor in WordPress Mu-Plugins to Maintain Admin Access

Cybersecurity researchers have uncovered a new stealthy backdoor concealed within the "mu-plugins" directory in WordPress sites to grant threat actors persistent access and allow them to perform arbitrary actions.

Active Campaign Exploits Cloud Flaws for Cryptomining

The campaign has been dubbed Soco404 due to the attackers embedding payloads in fake 404 error message pages hosted on websites built using Google Sites, a website development tool.

Instagram users targeted in novel phishing campaign

A phishing campaign targeting Instagram users is doing the rounds. There are plenty of those around, but when we took a look at this particular email, it seemed a bit different to the normal phishing emails that point to scammy websites.

 

Important Updates & Patches

Sophos and SonicWall Patch Critical RCE Flaws Affecting Firewalls and SMA 100 Devices

Sophos and SonicWall have alerted users of critical security flaws in Sophos Firewall and Secure Mobile Access (SMA) 100 Series appliances that could be exploited to achieve remote code execution.

 

Dan's Corner

Access over 4000 Secret Netflix Genre Codes

Netflix offers a system of hidden codes that unlock obscure genres and categories; here's how to access them.

 

An archive of Euclid Security Newsletters can be found on the support website.

Euclid Technology Solutions, LLC
540 Devall Drive, Suite 301
Auburn, AL 36832

P: 301-657-8089
E: support@euclidtechnology.com

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