information security news

Pierluigi Paganini March 31, 2026
U.S. CISA adds a flaw in Citrix NetScaler to its Known Exploited Vulnerabilities catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Citrix NetScaler to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Citrix NetScaler, tracked as CVE-2026-3055 (CVSS ver. 4.0 score of 9.3), to its Known Exploited Vulnerabilities (KEV) catalog. In March, Citrix issued security updates for two NetScaler vulnerabilities, […]

Pierluigi Paganini March 31, 2026
Qilin Ransomware allegedly breached chemical manufacturer giant Dow Inc

Qilin ransomware claims a breach of Dow Inc., listing it on its Tor leak site, but no proof of the hack has been released yet. Qilin Ransomware group allegedly breached the chemical manufacturing giant Dow Inc. The cybercrime group added the company to its Tor data leak site, but at this time, it has not […]

Pierluigi Paganini March 30, 2026
China-Linked groups target Southeast Asian government with advanced malware in 2025

China-linked groups hit a Southeast Asian government in 2025, deploying multiple malware families in a sophisticated cyber campaign. In 2025, three China-linked threat clusters targeted a Southeast Asian government in a complex, well-funded cyber operation. Threat actors deployed numerous malware types, including HIUPAN, PUBLOAD, EggStremeFuel/Loader, MASOL RAT, PoshRAT, TrackBak Stealer, Hypnosis Loader, and FluffyGh0st, showing […]

Pierluigi Paganini March 30, 2026
It’s a mystery … alleged unpatched Telegram zero-day allows device takeover, but Telegram denies

A critical Telegram flaw could allow zero-click remote code execution on devices, but Telegram denies it. Researcher Michael DePlante (@izobashi) of TrendAI Zero Day disclosed a new Telegram vulnerability through Zero Day Initiative (ZDI). The vulnerability, tracked as ZDI-CAN-30207 (CVSS score of 9.8) allows attackers to execute code on targeted devices without any user interaction. […]

Pierluigi Paganini March 30, 2026
Critical Fortinet FortiClient EMS flaw exploited for Remote Code Execution

Attackers are exploiting a critical Fortinet FortiClient EMS flaw (CVE-2026-21643) that allows remote code execution via SQL injection. A critical Fortinet FortiClient EMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1), is now being actively exploited. Defused researchers warn that threat actors are exploiting the vulnerability in Fortinet’s FortiClient EMS platform. “Fortinet Forticlient EMS CVE-2026-21643 […]

Pierluigi Paganini March 30, 2026
New macOS Infinity Stealer uses Nuitka Python payload and ClickFix

Infinity Stealer targets macOS via fake Cloudflare CAPTCHA, using Nuitka; first such campaign per Malwarebytes. Researchers at Malwarebytes spotted a new macOS infostealer, named Infinity Stealer, using a Python payload compiled with Nuitka. It spreads via ClickFix, tricking users with fake Cloudflare CAPTCHA pages. “A fake verification page instructs the visitor to open Terminal, paste […]

Pierluigi Paganini March 30, 2026
Russia-linked APT TA446 uses DarkSword exploit to target iPhone users in phishing wave

Russia-linked TA446 is using the DarkSword iOS exploit kit in targeted phishing campaigns to compromise iPhone users. Russia-linked APT group TA446 (aka SEABORGIUM, ColdRiver, Callisto, and Star Blizzard) is using the DarkSword exploit kit in targeted spear-phishing campaigns against iOS devices. The attacks rely on malicious emails to compromise iPhones, highlighting a growing threat from […]

Pierluigi Paganini March 29, 2026
Urgent Alert: NetScaler bug CVE-2026-3055 probed by attackers could leak sensitive data

Attackers are actively probing a critical Citrix NetScaler flaw (CVE-2026-3055) that can leak sensitive data via a memory overread issue. A critical vulnerability, tracked as CVE-2026-3055 (CVSS score of 9.3), in Citrix NetScaler ADC and Gateway is already being actively probed by attackers. This week, Citrix issued security updates for two NetScaler vulnerabilities, including the critical memory […]

Pierluigi Paganini March 29, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 90

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape New Malware Targets Users of Cobra DocGuard Software   Government of Iran Cyber Actors Deploy Telegram C2 to Push Malware to Identified Targets   Trivy Supply Chain Attack Expands to Compromised Docker Images   VoidStealer: Debugging Chrome to Steal […]

Pierluigi Paganini March 29, 2026
Apple issues urgent lock screen warnings for unpatched iPhones and iPads

Apple is alerting users of outdated iPhones and iPads via lock screen warnings about active web-based exploits, urging immediate software updates. Apple is sending lock screen alerts to users running outdated iOS and iPadOS versions, warning of active web-based attacks targeting their devices. The notifications urge users to install critical updates to stay protected, highlighting […]