| ITtechNews - Cybersicherheit und Datenschutz

Anzeige: Microsoft Azure administrieren: Workshop für IT-Profis 20. August 2026
Die Administration von Microsoft Azure verlangt fundiertes Wissen zu Netzwerken, Storage und Sicherheit. Ein Workshop der Golem Karrierewelt vermittelt die nötigen Kompetenzen. (Golem Karrierewelt, Server-Applikationen)
Softwareprojekte gefährdet: Angriffe auf Gitlab beobachtet 20. August 2026
Angreifer können durch eine Sicherheitslücke auf Gitlab-Instanzen verheerende Schäden anrichten. Attacken laufen bereits. (Sicherheitslücke, KI)
Spionage aus China: T-Mobile US soll Cyberangriff mit Schere bekämpft haben 20. August 2026
Chinesische Hacker hatten sich 2024 tief in die Infrastruktur von US-Providern eingenistet. T-Mobile hat für die Cyberabwehr wohl sogar ein Kabel durchgeschnitten. (Cybercrime, Netzwerk)
Microsoft: Windows-11-Update lässt Spiele und PCs abstürzen 20. August 2026
Microsoft untersucht Probleme mit den August-Updates für Windows 11. Sowohl Videospiele als auch ganze PCs stürzen bei einigen Nutzern ab. (Windows 11, Microsoft)
Anzeige: BCM und IT-Notfallmanagement: Workshop für Krisenvorsorge 20. August 2026
Fehlt strukturiertes Notfallmanagement, gefährden Störungen und Krisen den Geschäftsbetrieb. Ein Workshop vermittelt BCM-Grundlagen und zeigt, wie Notfallpläne entstehen. (Golem Karrierewelt, Sicherheitslücke)
Slowakei: Russische Backdoor in Verkehrskameras entdeckt 19. August 2026
Die Slowakei wollte im Rahmen eines Sanierungspakets 279 neue Verkehrskameras beschaffen. Erste Geräte kamen unerwartet aus Russland - inklusive Backdoor. (Backdoor, Kameras)
Erkennung von Einbrechern: Millionen von Routern werden zu Überwachungsgeräten 19. August 2026
Einbrecher lassen sich anhand von WLAN-Signalen erkennen. In den USA wird ein entsprechendes Router-Feature jetzt großflächig ausgerollt. (WLAN, Netzwerk)

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 […]
2026-004: Critical Vulnerability in SharePoint Exploited 25. März 2026
On 17 March 2026, Microsoft updated one of its January 2026 security advisories related to a remote code execution vulnerability in Microsoft SharePoint. Specifically, Microsoft raised the CVSS score and changed the FAQ section to indicate that the vulnerability could be exploited by an unauthenticated attacker. This vulnerability was added in the CISA's Known Exploited […]
2026-003: Multiple Vulnerabilities in Citrix NetScaler and Citrix ADC 23. März 2026
On 23 March 2026, Citrix published a security advisory addressing multiple vulnerabilities affecting NetScaler ADC and NetScaler Gateway. These vulnerabilities may lead to sensitive information disclosure and user session mix-up under specific configurations. At the time of writing, there is no public evidence of active exploitation. It is strongly recommended updating affected gateways, prioritising internet-facing […]
2026-002: Multiple Vulnerabilities in Cisco Products 26. Februar 2026
On 25 February 2026, Cisco released security advisories addressing multiple high and critical severity vulnerabilities in Cisco Catalyst SD-WAN controllers and Cisco SD-WAN Manager. If exploited, these vulnerabilities could allow attackers to gain administrative access to compromised systems. It is recommended to capture forensic evidence, hunt for indicators of compromise, and apply updates as soon […]
2026-001: Critical vulnerabilities in Ivanti EPMM 30. Januar 2026
On 29 January 2026, Ivanti released a security advisory addressing two critical vulnerabilities in their EPMM products. An attacker could exploit those flaws to achieve unauthenticated remote code execution on the vulnerable device. One of these vulnerabilities have been exploited in a limited number of cases.