RustDuck is a small, evolving DDoS botnet migrating to Rust. It uses advanced encryption, anti-analysis evasion, and exploits known IoT flaws. Since February 2026, researchers at QiAnXin’s XLab have been tracking a new malware family, called RustDuck, that hijacks routers,…
Category: Security Affairs
GuardFall Flaw Hits 10 of 11 Popular Open-Source AI Agents
Researchers found a shell injection flaw in 10 of 11 popular open-source AI agents, allowing attackers to bypass command filters. Adversa AI just published a survey, titled “GuardFall: a universal shell injection vulnerability in open-source AI agents,” of eleven open-source…
XSS.is, The Forum That Ran the Ransomware Supply Chain Is Down. The Market Isn’t
Police arrested the alleged admin of XSS.is, a major cybercrime forum whose trusted escrow service helped power the underground economy. On 22 July 2025, French and Ukrainian police arrested a 38-year-old man in Kyiv and shut down XSS.is, the most…
U.S. CISA adds SimpleHelp flaw to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a SimpleHelp flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a SimpleHelp flaw, tracked as CVE-2026-48558 (CVSS score v3.1 of 10.0), to its Known Exploited Vulnerabilities (KEV)…
Hackers Steal Data of 4.38 Million Aflac Japan Customers
Hackers stole data from 4.38 million Aflac Japan customers after accessing its systems for 10 days before the breach was detected. Aflac Japan disclosed that hackers stole the personal information of 4.38 million customers and agents after gaining access to…
Apple Fixes WebKit Flaws in iOS and macOS, With Help From AI Tools
Apple released updates for iOS, iPadOS, macOS, and Safari, fixing WebKit flaws, four of which were found using AI tools like Claude and Codex Apple pushed out security updates for iOS, iPadOS, macOS, and Safari on Monday, and this round…
Attackers actively exploit the Oracle E-Business Suite flaw CVE-2026-46817
Attackers are exploiting a critical flaw in Oracle E-Business Suite, CVE-2026-46817, that allows remote, unauthenticated attackers to take over Oracle Payments. A critical vulnerability in Oracle E-Business Suite, tracked as CVE-2026-46817, is being actively exploited in the wild, according to…
WhatsApp Usernames Are Coming. You Can Reserve Yours Right Now
WhatsApp will introduce usernames later this year, letting its 3 billion users connect without sharing phone numbers. WhatsApp has over three billion users, and it’s finally letting them talk to each other without exchanging phone numbers. The company announced this…
U.S. Targets Russian Cyber Spies With $10M Bounty Over Messaging App Attacks
The U.S. offers up to $10M for information on Russian hackers targeting Signal and WhatsApp accounts of officials and journalists. The U.S. government is offering rewards of up to $10 million for information leading to the identification of members of…
StegoAd: How 119 Fake Browser Extensions Stole Credentials and Ran Ad Fraud for Two Years
Microsoft shut down the StegoAd campaign, which used 119 malicious Edge extensions, hit 2.6M installs, and ran undetected for two years. Microsoft just shut down one of the more technically clever malicious extension campaigns it’s ever documented. The operation, named…
SSU and FBI Uncover Russian Cyber Espionage Operation Against Officials and Military Personnel
Ukraine’s SSU and the FBI Just Confirmed Russian Intelligence Has Been Systematically Hacking Messenger Accounts for Years. The Security Service of Ukraine (SSU), working jointly with the FBI, has formally exposed a sustained Russian intelligence campaign targeting the messaging accounts…
KDDI Data Breach Impacts up to 14.2 Million Email Accounts at Six ISPs
KDDI Corporation disclosed a breach affecting up to 14.2 million email accounts after attackers exploited a vulnerability in third-party software. KDDI Corporation disclosed a data breach that exposed up to 14.2 million email accounts across six Japanese internet service providers.…
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 103
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter More Than 4,000 Legacy Routers Compromised by AryStinger, Turned into Global Attack Proxies for Hackers A VBScript campaign distributed…
Security Affairs newsletter Round 583 by Pierluigi Paganini – INTERNATIONAL EDITION
A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. New…
New FBI Alert: Russian Intelligence Uses Signal Recovery Keys to Access Messages
FBI warns Russian spies now target Signal Backup Recovery Keys, enabling access to message history and long-term account takeover. The FBI and CISA updated their March 2026 warning about Russian intelligence phishing campaigns, and the new advisory adds a detail…
Hospitality Sector Hit by Phishing Campaign Using Fake Guest Complaint Emails
Microsoft warns of a phishing campaign targeting the hospitality sector with fake guest emails that install TonRAT using resilient persistence. Microsoft Threat Intelligence published a detailed analysis on an ongoing hacking campaign against hospitality organizations that has been running since…
DirtyClone: Fourth Linux Kernel Flaw in Six Weeks Escalates to Root
DirtyClone: a Linux kernel privilege escalation that silently rewrites executables in memory, leaving no disk trace. Patch now. JFrog Security Research published a working exploit walkthrough on June 25 for CVE-2026-43503 (CVSS score of 8.8), a Linux kernel privilege escalation…
Chinese APT CL-STA-1062 Expands Attacks on Southeast Asian Critical Infrastructure With Custom Malware
Chinese-speaking APT CL-STA-1062 targeted Southeast Asian government and energy networks open-source tools, and a new TinyRCT backdoor. Palo Alto Networks Unit 42 researchers published a detailed report on a Chinese-speaking threat actor, tracked as CL-STA-1062, that has been running persistent…
Activist Phone Hacked With Cellebrite After Russia Contract Cancellation
Russian authorities used Cellebrite tools to unlock an activist’s iPhone and analyze private data despite canceled support, raising abuse concerns. On May 31, 2021, Russian security services pulled opposition activist Andrey Pivovarov off a flight at St. Petersburg airport and…
U.S. CISA adds Cisco and PTC Windchill and FlexPLM flaws to its Known Exploited Vulnerabilities catalog
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco and PTC Windchill and FlexPLM flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Cisco and PTC Windchill and FlexPLM flaws to its Known Exploited…