New Phishing Attack Using zero-width Characters to Bypass Security Filters
Cybercriminals are employing sophisticated strategies to bypass email security filters, creating phishing emails.
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UnitedHealth Ransomware Attack Exposes 190 Million Users’ Personal & Healthcare Data
The U.S. healthcare system, UnitedHealth Group, has confirmed that a February 2024 ransomware attack on its subsidiary, Change Healthcare, compromised the personal and healthcare data of approximately 190 million individuals.
Viral ‘Quittr’ Porn Addiction App Exposed the Masturbation Habits of Hundreds of Thousands of Users
Quittr, an app that promises to help men stop watching pornography, leaked intimate data on hundreds of thousands of its users, including their masturbation habits, and lied about its security issues, 404 Media can now reveal. I first reported about Quittr exposing user data in January, but was unable to name Quittr in the story…
Week in review: 48k Fortinet firewalls open to attack, attackers “vishing” orgs via Microsoft Teams
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: 48,000+ internet-facing Fortinet firewalls still open to
Chinese AI App DeepSeek Soars in Popularity, Startling Rivals
The company said Monday it was temporarily limiting new sign ups due to “large-scale malicious attacks” on its services.
A ‘Warp’ In Our Solar System Might Be an Undiscovered World: Planet Y
Scientists have discovered possible hints of an undiscovered world in the solar system—nicknamed “Planet Y”—orbiting about 100 to 200 times farther from the Sun than Earth, according to a new study. The newly proposed planet, assuming it exists, is predicted to be somewhere between Mercury and Earth in scale, which would likely make it detectable…
Prioritizing patching: A deep dive into frameworks and tools – Part 1: CVSS
In the first of a two-part series exploring tools and frameworks which can help organizations with remediation prioritization, Sophos X-Ops takes a look at the Common Vulnerability Scoring System (CVSS)
Memos to Federal Employees Were Written By People With Ties to Project 2025, Metadata Shows
Some of the Office of Personnel Management (OPM) memos sent to federal workers about firing, hiring freezes, and mandatory return to office demands were seemingly written by people who were previously employed by the Heritage Foundation and other conservative think tanks with longstanding loyalties to President Donald Trump, according to metadata on the memos posted…
Threat Intelligence Executive Report – Volume 2025, Number 5
This issue of the Counter Threat Unit’s high-level bimonthly report discusses noteworthy updates in the threat landscape during July and August