| ITtechNews - Cybersicherheit und Datenschutz

Dringendes Update: Teamviewer schließt schwerwiegende Sicherheitslücken 1. Oktober 2026
Sie erlauben auch das Einschleusen und Ausführen von Schadcode aus der Ferne. Es lassen sich zudem Zugriffsbeschränkungen für Teamviewer-Sitzungen umgehen. (Sicherheitslücke, Fernwartung)
Golem Karrierewelt: Heute Golem-Podcast: Leben als IT-Freiberufler 1. Oktober 2026
IT-Freiberuflichkeit bietet Freiheit und spannende Projekte, bringt aber auch Akquise und unternehmerische Verantwortung mit sich. Aaron Siller und Karsten Hentrup berichten aus der Praxis. (IT-Freelancer, Betriebssysteme)
KI: FTC eröffnet Untersuchung gegen Anthropic, OpenAI und Co. 1. Oktober 2026
Die US-Verbraucherschutzbehörde FTC will mehr über die Gefahren durch KI wissen. Eine entsprechende Untersuchung wird gestartet. (FTC, KI)
Revolut zahlt kein Lösegeld: Hackergruppe erpresst Revolut-Kunden direkt 1. Oktober 2026
Nachdem Revolut auf die Millionen-Lösegeldforderung nicht eingegangen ist, werden Kunden direkt erpresst. Es geht um vertrauliche Daten. (Revolut, Datenschutz)
SD-WAN-Manager: Cisco warnt vor Angriffen auf Zero-Day-Lücke 1. Oktober 2026
Sie erlaubt das Umgehen der Authentifizierung. Unbefugte erhalten Zugriff auf den SD‑WAN-Manager mit Administratorrechten. (Sicherheitslücke, API)
Anzeige: Microsoft Entra ID sicher administrieren und härten 1. Oktober 2026
Microsoft Entra ID verbindet Identitätsverwaltung und Zugriffsschutz. Die Golem Karrierewelt zeigt, wie sich hybride Strukturen administrieren, absichern und härten lassen. (Golem Karrierewelt, Sicherheitslücke)
Nach erster Verhaftung: FBI droht der Hackergruppe Shinyhunters 30. September 2026
Ermittler nehmen weitere mögliche Mitglieder der Shinyhunters ins Visier. Neue Informationen liefert offenbar ein Laptop eines mutmaßlichen Anführers der Gruppe. (Cybercrime, Security)

2026-014: Critical Vulnerabilities in Citrix NetScaler ADC and Gateway 27. September 2026
On 27 September 2026, Citrix published a security bulletin addressing 8 vulnerabilities affecting customer-managed Citrix NetScaler ADC and Citrix NetScaler Gateway, among which 2 critical unauthenticated Remote Code Execution (RCE) vulnerabilities. Citrix has confirmed active exploitation of these 2 critical vulnerabilities in the wild. CERT-EU recommends updating affected software and running a compromise assessment on […]
2026-013: Critical Vulnerability in F5 BIG-IP APM 22. September 2026
On 22 September 2026, F5 published an advisory addressing a critical vulnerability affecting its BIG-IP APM product. The vendor confirmed active exploitation in the wild. CERT-EU recommends taking appropriate actions as soon as possible.
2026-012: Critical Vulnerabilities in Check Point Products 10. September 2026
On 9 September 2026, Check Point released emergency security updates addressing two critical vulnerabilities affecting Check Point Security Gateway, Security Management Server, and Spark Firewall deployments configured to use Remote Access VPN or Site-to-Site VPN. Both vulnerabilities carry a CVSS score of 9.8 and could allow an unauthenticated, remote attacker to execute arbitrary code on […]
2026-011: Critical Vulnerabilities in SAP Kernel and NetWeaver Message Server 9. September 2026
On 8 September 2026, as part of its September Security Patch Day, SAP released Security Notes addressing two critical vulnerabilities affecting a broad range of SAP products[3]. The most severe, CVE-2026-44756 (CVSS 10.0), is a memory corruption vulnerability in SAP Extended Passport (EPP) processing, nicknamed "OVERPASS" by the Onapsis Research Labs (ORL), which discovered and […]
2026-010: Critical Vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway 19. August 2026
On 19 August 2026, Citrix published a security advisory addressing multiple critical vulnerabilities in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway). CERT-EU recommends updating affected devices as soon as possible.
2026-009: Critical Vulnerabilities in Microsoft SharePoint 23. Juli 2026
[UPDATED] On 14 July 2026, Microsoft released security updates addressing critical remote code execution (RCE) vulnerabilities in Microsoft SharePoint Server. On 20 July 2026, WatchTowr identified a proof-of-concept exploit code and subsequently observed active exploitation of CVE-2026-50522, a vulnerability part of an ongoing series of actively exploited flaws affecting on-premise SharePoint Server instances, including CVE-2026-32201, […]
2026-008: Critical vulnerabilities in Ivanti Sentry 10. Juni 2026
On 9 June 2026, Ivanti released a security advisory addressing two critical vulnerabilities in their Sentry products[1]. An attacker could exploit those flaws to achieve unauthenticated remote code execution on the vulnerable device.
2026-007: Critical Vulnerability in Windows Netlogon 10. Juni 2026
On 12 May 2026, Microsoft published a security advisory addressing a critical vulnerability affecting Windows Server when acting as a domain controller. This vulnerability allows an unauthenticated attacker to execute arbitrary code over a network. According to The Centre for Cybersecurity Belgium (CCB), this vulnerability is currently exploited by threat actors. It is strongly recommended […]
2026-006: Critical Vulnerability in PAN-OS 6. Mai 2026
On 6 May 2026, Palo Alto published a security advisory addressing a critical vulnerability affecting PAN-OS. This vulnerability allows an unauthenticated attacker to execute arbitrary code with root privileges. Palo Alto observed limited exploitation of this vulnerability. It is strongly recommended updating affected appliances as soon as patches will be available, and to apply workarounds […]
2026-005: High Vulnerability in the Linux Kernel ("Copy Fail") 30. April 2026
On 29 April 2026, a high local privilege escalation vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named "Copy Fail", was publicly disclosed. The vulnerability affects every mainstream Linux distributions shipping a kernel built since 2017. A public proof-of-concept exploit has been released. As of the date of this advisory, no distribution has shipped […]