#client


GoAhead TLS Flaws Allow Revoked Client Certificates and Enable Session Decryption

Oct 27, 2026 // 17:06

The GoAhead embedded web server loaded a certificate revocation list into its default TLS backend but never turned revocation checking on, so a revoked client […]

Inside the Underground Market for Know Your Client Services

Oct 19, 2026 // 17:37

In February 2026, the operator of OnlyFake pleaded guilty in the United States for his role in a service that generated more than 10,000 fraudulent […]

Sandworm hackers target IT pros with trojanized WireGuard VPN client

Aug 12, 2026 // 00:17

Hackers associated with the Russian threat group Sandworm have been targeting system administrators and IT professionals through fake job offers since at least May. A […]

Sandworm hackers target IT pros with trojanized WireGuard VPN client

Aug 12, 2026 // 00:17

Hackers associated with the Russian threat group Sandworm have been targeting system administrators and IT professionals through fake job offers since at least May. A […]

Zoom Annotation Flaws Could Let a Meeting Participant Hijack Another Attendee’s Client

Aug 11, 2026 // 23:50

Anyone sharing their screen on a Zoom call could have taken over the computers of everyone watching, and anyone watching could have taken over the […]

TrueConf Server Flaws Exploited to Replace Client Installers with PhantomCore

Aug 10, 2026 // 18:41

The threat actor known as Head Mare has been observed weaponizing security flaws in unpatched TrueConf servers once again in attacks targeting Russian companies spanning […]

Hackers breach TrueConf to trojanize client installers with backdoors

Aug 8, 2026 // 21:17

The Head Mare hacktivist group has been exploiting vulnerabilities in unpatched TrueConf video conferencing servers to replace client installers with malicious versions that deliver backdoors. The […]

Australian energy provider Origin says data breach exposes client data

Jul 24, 2026 // 01:17

Australian energy provider Origin Energy has confirmed a data breach by an unknown threat actor that exposed customers’ personally identifiable information (PII). The company has […]

OAuth Client ID Spoofing Lets Attackers Validate Stolen Microsoft Entra Credentials

Jul 14, 2026 // 14:27

At least two distinct threat actors are weaponizing a novel evasion technique called OAuth client ID spoofing in cloud campaigns, while slipping past telemetry. The […]

Zimbra urges customers to patch critical web client XSS flaw

Jul 10, 2026 // 16:56

The Zimbra security team urged customers to patch a critical vulnerability affecting the Classic Web Client used to access the Zimbra Collaboration suite. Zimbra is […]

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