Security News

ThreatsDay Bulletin: Pre-Auth Chains, Android Rootkits, CloudTrail Evasion & 10 More Stories

The latest ThreatsDay Bulletin is basically a cheat sheet for everything breaking on the internet right now. No corporate fluff or boring lectures here, just a quick and honest look at the messy reality of keeping systems safe this week. Things are moving fast. The list includes researchers chaining small bugs together to create massive backdoors, old software flaws

Researchers Uncover Mining Operation Using ISO Lures to Spread RATs and Crypto Miners

A financially motivated operation codenamed REF1695 has been observed leveraging fake installers to deploy remote access trojans (RATs) and cryptocurrency miners since November 2023. "Beyond cryptomining, the threat actor monetizes infections through CPA (Cost Per Action) fraud, directing victims to content locker pages under the guise of software registration," Elastic

The State of Trusted Open Source Report

In December 2025, we shared the first-ever The State of Trusted Open Source report, featuring insights from our product data and customer base on open source consumption across our catalog of container image projects, versions, images, language libraries, and builds. These insights shed light on what teams pull, deploy, and maintain day to day, alongside the vulnerabilities and

WhatsApp Alerts 200 Users After Fake iOS App Installed Spyware; Italian Firm Faces Action

Meta-owned messaging platform WhatsApp said it alerted about 200 users who were tricked into installing a bogus version of its iOS app that was infected with spyware. According to reports from Italian newspaper La Repubblica and news agency ANSA, the vast majority of the targets are located in Italy. It's assessed that the threat actors behind the activity used social engineering

Apple Expands iOS 18.7.7 Update to More Devices to Block DarkSword Exploit

Apple on Wednesday expanded the availability of iOS 18.7.7 and iPadOS 18.7.7 to a broader range of devices to protect users from the risk posed by a recently disclosed exploit kit known as DarkSword. "We enabled the availability of iOS 18.7.7 for more devices on April 1, 2026, so users with Automatic Updates turned on can automatically receive important security

ISC Stormcast For Thursday, April 2nd, 2026 https://isc.sans.edu/podcastdetail/9876, (Thu, Apr 2nd)

Ransomware Will Hit Hospitals. Rehearsals Are Key to Defense

A chief medical information officer provided a peek into what hospitals face when they inevitably suffer a ransomware attack—whether it leads to short or long-term outages.

LatAm's Self-Taught Cyber Talent Overlooked Amid Cyberattack Glut

A newly released study exclusively shared with Dark Reading details the unique circumstances that make up Latin America's labor pool, and why organizations may want to expand their talent search.

Cyberattacks Intensify Pressure on Latin American Governments

Cyber threats across Latin America are increasingly targeting government systems, from disruptive attacks in Puerto Rico to a surge of probes against Colombia’s health sector.

CERT-UA Impersonation Campaign Spread AGEWHEEZE Malware to 1 Million Emails

The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new phishing campaign in which the cybersecurity agency itself was impersonated to distribute a remote administration tool known as AGEWHEEZE. As part of the attacks, the threat actors, tracked as UAC-0255, sent emails on March 26 and 27, 2026, posing as CERT-UA to distribute a password-protected ZIP archive

Venom Stealer MaaS Platform Commoditizes ClickFix Attacks

A new service on the cybercrime market provides automated capabilities to create persistent information-stealing social engineering attacks.

TeamPCP Supply Chain Campaign: Update 005 - First Confirmed Victim Disclosure, Post-Compromise Cloud Enumeration Documented, and Axios Attribution Narrows, (Wed, Apr 1st)

This is the fifth update to the TeamPCP supply chain campaign threat intelligence report, "When the Security Scanner Became the Weapon" (v3.0, March 25, 2026). Update 004 covered developments through March 30, including the Databricks investigation, dual ransomware operations, and AstraZeneca data release. This update consolidates two days of intelligence through April 1, 2026.

Block the Prompt, Not the Work: The End of "Doctor No"

There is a character that keeps appearing in enterprise security departments, and most CISOs know exactly who that is. It doesn’t build. It doesn’t enable. Its entire function is to say "No." No to ChatGPT. No to DeepSeek. No to the file-sharing tool the product team swears by. For years, this looked like security. But in 2026, "Doctor No" is no longer just a management headache &

Casbaneiro Phishing Targets Latin America and Europe Using Dynamic PDF Lures

A multi-pronged phishing campaign is targeting Spanish-speaking users in organizations across Latin America and Europe to deliver Windows banking trojans like Casbaneiro (aka Metamorfo) via another malware called Horabot. The activity has been attributed to a Brazilian cybercrime threat actor tracked as Augmented Marauder and Water Saci. The e-crime group was first documented by Trend Micro in

Microsoft Warns of WhatsApp-Delivered VBS Malware Hijacking Windows via UAC Bypass

Microsoft is calling attention to a new campaign that has leveraged WhatsApp messages to distribute malicious Visual Basic Script (VBS) files. The activity, beginning in late February 2026, leverages these scripts to initiate a multi-stage infection chain for establishing persistence and enabling remote access. It's currently not known what lures the threat actors use to trick users into

New Chrome Zero-Day CVE-2026-5281 Under Active Exploitation — Patch Released

Google on Thursday released security updates for its Chrome web browser to address 21 vulnerabilities, including a zero-day flaw that it said has been exploited in the wild. The high-severity vulnerability, CVE-2026-5281 (CVSS score: N/A), concerns a use-after-free bug in Dawn, an open-source and cross-platform implementation of the WebGPU standard. "Use-after-free in Dawn in Google Chrome prior

3 Reasons Attackers Are Using Your Trusted Tools Against You (And Why You Don’t See It Coming)

For years, cybersecurity has followed a familiar model: block malware, stop the attack. Now, attackers are moving on to what’s next. Threat actors now use malware less frequently in favor of what’s already inside your environment, including abusing trusted tools, native binaries, and legitimate admin utilities to move laterally, escalate privileges, and persist without raising alarms. Most

Malicious Script That Gets Rid of ADS, (Wed, Apr 1st)

Today, most malware are called “fileless” because they try to reduce their footprint on the infected computer filesystem to the bare minimum. But they need to write something… think about persistence. They can use the registry as an alternative storage location.

Are We Training AI Too Late?

Ask the Expert: Cybersecurity teams need to expand their field of view to include new, unique threat sources, rather than relying on past, proven threat actors.

Google Attributes Axios npm Supply Chain Attack to North Korean Group UNC1069

Google has formally attributed the supply chain compromise of the popular Axios npm package to a financially motivated North Korean threat activity cluster tracked as UNC1069. "We have attributed the attack to a suspected North Korean threat actor we track as UNC1069," John Hultquist, chief analyst at Google Threat Intelligence Group (GTIG), told The Hacker News in a statement. "North Korean