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SonicWall warns of active exploitation of two SMA 1000 zero-days
Pierluigi Paganini July 15, 2026

SonicWall warns of active attacks exploiting two SMA 1000 zero-days, including a flaw enabling arbitrary command execution. SonicWall confirmed the active exploitation of two zero-day vulnerabilit ...

Patch Tuesday security updates for July 2026, the largest update ever. 621 CVEs in one month
Pierluigi Paganini July 14, 2026

Patch Tuesday: Microsoft fixes a record 621 CVEs, including 2 exploited zero-days and critical flaws affecting SharePoint, RDP, Hyper-V, and AD FS. Microsoft's July 2026 Patch Tuesday is, by a sig ...

U.S. Treasury Sanctions VPN Provider and Cryptor Seller Behind Billions in Ransomware Losses
Pierluigi Paganini July 14, 2026

U.S. sanctions hit VPN provider 1VPNS and a cryptor seller for enabling ransomware gangs behind billions in losses to critical infrastructure. The U.S. Treasury's Office of Foreign Assets Control ...

Attacker Used AI to Build Custom PowerShell Recon Malware
Pierluigi Paganini July 14, 2026

Huntress found an AI-generated PowerShell script used for AD reconnaissance, showing attackers are using AI to create custom, evasive tools. During an incident response investigation on June 3, 20 ...

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Data Breach
ShinyHunters Claims Ernst & Young Data Breach, Threatens to Leak Stolen Data

ShinyHunters claimed the Ernst & Young data breach, threatening to leak stolen tax records unless the firm contacts the group by July 31. The ShinyHunters cybercrime group has taken responsibi ...

Pierluigi Paganini July 29, 2026
Security
Broadcom Patches Critical VMware ESXi Vulnerability Enabling Host Code Execution

Broadcom patched a critical VMware ESXi VM escape flaw (CVE-2026-47876) that could let attackers run code on the host from a compromised virtual machine. Broadcom has released patches to address f ...

Pierluigi Paganini July 29, 2026
Hacking
OpenAI AI Model Used JFrog Artifactory Zero-Day Before Hugging Face Breach

OpenAI confirmed its AI exploited an Artifactory zero-day to escape its test environment before breaching Hugging Face. Two weeks after Hugging Face disclosed an autonomous AI system had breached ...

Pierluigi Paganini July 29, 2026
Artificial Intelligence
OpenAI's Rogue AI Agent Breached Second Company, Report Says

Reuters says OpenAI's rogue AI agent also breached a Modal customer, exposing a wider attack and raising fresh concerns over autonomous AI safety. Reuters reported that the OpenAI agent that hack ...

Pierluigi Paganini July 29, 2026
Security
VPN Breach Exposes 58 Million Connection Logs Despite "No-Logs" Claims

A breached "no-logs" VPN exposed 58 million connection logs and millions of user, device, and payment records, contradicting its privacy claims. A threat actor on the Altenen cybercrime forum is d ...

Pierluigi Paganini July 29, 2026
Malware
Dysphoria Botnet Uses Blockchain Domains to Hide C2 Infrastructure

Researchers uncovered the 200,000-device Dysphoria botnet, which uses Ethereum and Solana domains to hide its command servers. QiAnXin XLab, jointly with China's CNCERT, disclosed Dysphoria, a bot ...

Pierluigi Paganini July 28, 2026
Security
JetBrains Patches Critical TeamCity Flaw Allowing Server Takeover

JetBrains patched a critical TeamCity flaw (CVE-2026-63077) enabling unauthenticated code execution on affected on-premise servers. JetBrains has released security updates for TeamCity On-Premises ...

Pierluigi Paganini July 28, 2026
Malware
New Crypter-as-a-Service Cruciferra Fuels Stealthy Malware Attacks Worldwide

Proofpoint uncovered Cruciferra, a crypter-as-a-service that helps hackers evade antivirus and deliver malware in multiple campaigns. Proofpoint's research team traced a wave of income-tax-themed ...

Pierluigi Paganini July 28, 2026
Security
U.S. CISA adds Arista VeloCloud Orchestrator and Fortinet FortiOS flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Arista VeloCloud Orchestrator and Fortinet FortiOS flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity an ...

Pierluigi Paganini July 28, 2026
Artificial Intelligence
Reuters: OpenAI Agent Hacked Hugging Face for Days Before Being Detected

Reuters says OpenAI failed to detect its AI agent hacking Hugging Face for days, discovering the breach only after FBI involvement. Reuters reported that the OpenAI agent responsible for the Huggi ...

Pierluigi Paganini July 27, 2026
Malware
MedusaHVNC Trojan Creates Hidden Desktops to Hijack Browsers and Steal Data

MedusaHVNC RAT uses hidden Windows desktops to remotely control browsers, steal data, and evade detection through legitimate system features. Windows has always supported hidden desktops as a legi ...

Pierluigi Paganini July 27, 2026
Data Breach
DentaQuest disclosed a data breach that impacted +23 million individuals

DentaQuest disclosed a data breach that may have exposed the personal and dental health information of more than 23 million people. DentaQuest is notifying more than 23 million people of a data br ...

Pierluigi Paganini July 27, 2026
Hacking
GitLab Users Urged to Patch After Research Reveals Critical RCE Chain

Researchers chained two Oj parser bugs to achieve GitLab RCE via Jupyter notebook diffs, affecting authenticated users on unpatched versions. Depthfirst researchers published a working remote code ...

Pierluigi Paganini July 27, 2026
Security
EFF: Most Smart Wearables Still Fall Short on Privacy and Transparency

EFF says most smart wearables lack basic privacy protections, with Apple standing out for end-to-end encryption and transparency. Most smart wearables still treat privacy like an optional extra, a ...

Pierluigi Paganini July 27, 2026
Security
LockBit5 and Qilin Lead Ransomware Attacks Against Italian Organizations

A new report links 148 ransomware attacks to Italian organizations in H1 2026, with manufacturing the most targeted sector. Six months, 148 confirmed ransomware claims against Italian targets, and ...

Pierluigi Paganini July 27, 2026
Malware
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 107

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter UAC-0145 Primary Compromise Vectors as o ...

Pierluigi Paganini July 26, 2026
Security
Hackers Hijack Hotel Wi-Fi to Steal Microsoft 365 Credentials

Hackers compromised hotel Wi-Fi gateways to redirect users to fake Microsoft 365 login pages and steal credentials. ReliaQuest's threat research team just documented attackers compromising the Wi- ...

Pierluigi Paganini July 26, 2026
Security
Security Affairs newsletter Round 587 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 Security ...

Pierluigi Paganini July 26, 2026
APT
Iran-Linked Actors Breach Are Targeting US Water and Energy Control Systems

US agencies warn Iran-linked actors are targeting internet-exposed water and energy control systems, risking disruption. Federal agencies updated their cybersecurity advisory this week: Iran-linke ...

Pierluigi Paganini July 25, 2026
Data Breach
Australian energy provider Origin Energy disclosed a data breach impacting customer data

Origin Energy confirmed a data breach after a hacker claimed to have stolen data from 2 million customers and threatened to leak it. Origin Energy disclosed a cyberattack that exposed customer dat ...

Pierluigi Paganini July 25, 2026