Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
Fortinet
Attackers are exploiting FortiSandbox vulnerabilities

Attackers have been spotted exploiting three vulnerabilities (CVE-2026-39813, CVE-2026-39808, CVE-2026-25089) in FortiSandbox, a platform that other Fortinet security products …

Microsoft Teams
Cybercriminals mask malicious communications through Microsoft Teams relays

The DragonForce ransomware group used a custom malware called Backdoor.Turn to hide command-and-control traffic inside Microsoft Teams relay infrastructure during an intrusion …

Help Net Security
TekStream launches Proactive Cyber Defense to counter AI-driven threats

TekStream has announced the launch of TekStream Proactive Cyber Defense, a new expert-operated security service powered by Cosmos, the company’s cyber defense intelligence …

SimpleHelp
SimpleHelp RMM flaw could give attackers full access to managed endpoints (CVE-2026-48558)

A critical vulnerability (CVE-2026-48558) in SimpleHelp, a popular remote monitoring and management (RMM) tool, can be exploited remotely by unauthenticated attackers to …

Help Net Security
AppViewX extends machine identity security to AI agents and post-quantum environments

AppViewX has announced Agent Identity Security, a new product within the AppViewX platform that discovers, governs, secures, and monitors AI agents across the entire …

Help Net Security
Teleport adds LLM Proxy and Delegated Identity to secure AI agent actions and access

Teleport has announced the debut of two foundational capabilities of its Agentic Identity Framework in the public beta of Beams: LLM Proxy and Delegated Identity. These …

Help Net Security
Radware AI Xploit Shield delivers virtual patching for newly identified application and API flaws

Radware has announced AI Xploit Shield, a new service that provides organizations with protection for their applications and APIs from exploitation of newly discovered …

Cisco
Cisco discloses second exploited SD-WAN vulnerability in two weeks (CVE-2026-20262)

Cisco has revealed another Catalyst SD-WAN Manager vulnerability (CVE-2026-20262) that its Product Security Incident Response Team observed being exploited by attackers. But …

crypto scams
Crypto scammers are sending couriers to victims’ homes to collect cash

Scammers behind cryptocurrency investment schemes are dispatching couriers to pick up cash from victims in person, the FBI warns. According to the agency, scammers usually …

EU
Software supply chains are heading for a transparency test

Software supply chain visibility is becoming part of product security work as the EU Cyber Resilience Act (CRA) moves toward application in December 2027. ENISA’s SBOM …

travel scams
Planning a trip? Fake travel sites are multiplying this summer

Cyberattacks against hospitality, travel, and recreation organizations rose 24% year over year, reaching an average of 2,291 incidents per organization each week in May 2026, …

GitHub
GitHub releases an open dataset for multilingual developer content

Developers coordinate code across README files, issue threads, and pull request discussions. Much of that exchange happens in English, and a large share happens in other …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released for important security events and breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools