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IT Security News

Aktuelle Meldungen zu IT-Sicherheit, Cyberbedrohungen und Datenschutz — automatisch kuratiert aus führenden Quellen.

BleepingComputer25. Juli 2026

Malicious sites use JavaScript to build malware in browser memory

A massive malvertising campaign is using fake Solana, Luno, and TradingView webpages with malicious JavaScript that instructs browsers to assemble malware directly in memory. [...]

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BleepingComputer25. Juli 2026

ShinyHunters data leaks fuel $2,000 sextortion email scam

Threat actors are using email addresses exposed in data breaches leaked by the ShinyHunters extortion group to send sextortion emails demanding $2,000 in Bitcoin. [...]

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The Hacker News25. Juli 2026

Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available

Security firms ThreatBook and Imperva say attackers are targeting a critical flaw in Fastjson, Alibaba's JSON library for Java. In affected Spring Boot applications, a malicious JSON request can execute code without auth

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Golem Security25. Juli 2026

Nach OpenAI-Hack: US-Abgeordnete wollen Kill Switch für KI

Der eigenständige Hackerangriff von OpenAIs KI hat Nachwirkungen: Abgeordnete fordern mehr Kontrolle - und einen Kill Switch. (<a href="https://www.golem.de/specials/openai/">OpenAI</a>, <a href="https://www.golem.de/spe

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The Hacker News25. Juli 2026

Researcher Publishes GitLab RCE PoC Letting Authenticated Users Run Commands as Git

Security researchers at&nbsp;depthfirst published working exploit code on July 24 for a GitLab flaw that GitLab patched six weeks earlier, on June 10. It runs commands as git on any self-managed 18.11.3 server that has n

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The Hacker News25. Juli 2026

CTM360 Research Reveals How Insurance Phishing Has Evolved Into Real-Time Account Hijacking

For years, phishing campaigns targeting financial institutions followed the same playbook. Victims were tricked into entering usernames and passwords, attackers collected the credentials, and accounts were compromised la

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The Hacker News25. Juli 2026

Cl0p Affiliates Target Internet-Exposed PTC Windchill and FlexPLM with Unauthenticated RCE

Threat actors linked to the Cl0p (aka Chubby Scorpius, FIN11, Graceful Spider, and Lace Tempest) ransomware campaign are exploiting flaws in internet-exposed PTC Windmill and FlexPLM deployments as part of a new data ext

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The Hacker News25. Juli 2026

DevMan RaaS Portal Centralizes Payload Builds, Victim Management, and Affiliate Payouts

The operators of the DevMan ransomware-as-a-service (RaaS) scheme are maintaining a dedicated web platform that offers affiliates the ability to build payloads, oversee earnings, and manage various aspects related to vic

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BleepingComputer25. Juli 2026

OpenAI confirms ChatGPT is down worldwide

ChatGPT, the famous artificial intelligence chatbot that allows users to converse with various personalities and topics, has connectivity issues worldwide. [...]

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BleepingComputer24. Juli 2026

OnTrac notifies customers of data breach after network hack

OnTrac parcel delivery company is informing that hackers breached its corporate network and may have accessed personal details belonging to its customers. [...]

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BleepingComputer24. Juli 2026

Hermes AI agent used to automate attack on Thai Finance Ministry

A threat actor used the open-source Hermes AI agent in unattended "YOLO" mode to automate post-exploitation activity during an alleged breach of Thailand's Ministry of Finance. [...]

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BleepingComputer24. Juli 2026

Hackers hijack hotel Wi-Fi DNS to steal Microsoft 365 accounts

Hackers are changing the DNS settings on Wi-Fi devices at hotels and conference centers to redirect users to fake Microsoft 365 login pages. [...]

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BleepingComputer24. Juli 2026

Microsoft blames massive Microsoft 365 outage on maintenance bug

Microsoft says a bug in its automated network maintenance request system caused Thursday's massive outage by mistakenly removing IP routes from more devices than intended, disrupting Azure and Microsoft 365 services. [..

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The Hacker News24. Juli 2026

BlueNoroff Zoom Phishing Kit Profiles Crypto Wallets Before Malware Delivery

The North Korean threat actors behind the ClickFix-style campaigns that employ typosquatted Zoom and Microsoft Teams domains have been found to operate an active phishing kit to impersonate the videoconferencing platform

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The Hacker News24. Juli 2026

Certighost Exploit Lets Low-Privileged Active Directory Users Impersonate a Domain Controller

Researchers H0j3n and Aniq Fakhrul published a working exploit on July 24 that lets a low-privileged Active Directory user obtain a certificate for a Domain Controller and authenticate as that machine. They codenamed the

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BleepingComputer24. Juli 2026

Chick-fil-A data breach affects more than 13,000 customers

Chick-fil-A has confirmed that over 13,000 customers had their accounts breached in a wave of credential stuffing attacks targeting its website and mobile app between June 17 and June 19. [...]

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BleepingComputer24. Juli 2026

Slopsquatting, Phantom Domains, and HalluSquatting Are the Same AI Attack

Slopsquatting, phantom squatting, and HalluSquatting all exploit the same late-binding attack pattern, where AI coding agents trust hallucinated package, repo, or domain names. ActiveState explains how pre-fetch verifica

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BleepingComputer24. Juli 2026

Europol flags 4,340 URLs for removal in 'The Com' crackdown

Europol has flagged 4,340 URLs for removal during a multi-week operation targeting online content linked to "The Com," a loosely organized network of nihilistic violent extremist groups. [...]

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Heise Security24. Juli 2026

Drei Fragen und Antworten: Wie KI wirklich bei der Schwachstellensuche hilft

Um KI erfolgreich in Code-Audits einzusetzen, ist die Wahl des Modells gar nicht so wichtig. Entscheidend ist der Workflow, damit man nicht in Funden versinkt.

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The Hacker News24. Juli 2026

ChatGPT AgentForger Flaw Could Deploy Rogue Workspace Agents via a Phishing Link

Cybersecurity researchers have disclosed a critical vulnerability in OpenAI's ChatGPT Workspace Agents that could have allowed a single phishing link to stealthily build, authorize, and deploy an autonomous artificial in

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The Hacker News24. Juli 2026

Bing Images Flaws Let Crafted SVGs Run Commands as SYSTEM on Microsoft's Servers

A crafted SVG submitted to Bing's image search ran commands as NT AUTHORITY\SYSTEM on Microsoft's production image-processing workers, and as root on the Linux machines in the same fleet. XBOW's testing got the same resu

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The Hacker News24. Juli 2026

Seeing AI Agents Is Not Enough. Security Teams Must Enforce What They Can Do

AI agent security is moving through a familiar maturity curve: adoption, then visibility, and finally, control. But what we've collectively discovered is that enforcing least privilege for AI agents is harder than we eve

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Heise Security24. Juli 2026

Web.de und GMX rüsten Passkeys nach

Die United-Internet-Töchter GMX und Web.de führen jetzt Passkeys ein. Sie verbessern damit die Sicherheit und den Schutz vor Phishing.

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BleepingComputer24. Juli 2026

Man gets six years for hacking 750 women's Snapchat accounts

An Illinois man was sentenced on Tuesday to 76 months in prison and three years of supervised release for hacking the Snapchat accounts of over 750 women to steal nude photos. [...]

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Golem Security24. Juli 2026

Github reagiert auf KI-Flut: Hohe Bug-Bounty-Prämien bald nur noch für VIPs

Github überarbeitet sein Bug-Bounty-Programm. Wer sich nur auf KI verlässt und sich wenig Mühe gibt, bekommt künftig geringere Prämien. (<a href="https://www.golem.de/specials/github/">Github</a>, <a href="https://www.go

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Golem Security24. Juli 2026

Belästigung: Instagram sperrt Prankster und Anmacher mit Smart Glasses

Streichvideos und Anmachfilmchen, die heimlich mit Smart Glasses gefilmt werden - sowas will Instagram künftig nicht mehr sehen. (<a href="https://www.golem.de/specials/smartglass/">Smartglass</a>, <a href="https://www.g

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The Hacker News24. Juli 2026

Hacker Runs Hermes AI Agent Unattended for Post-Exploitation at Thai Finance Ministry

Someone installed a popular AI assistant on a rented server, switched off the setting that makes it ask permission before running risky commands, and pointed it at Thailand's Ministry of Finance, which runs the country's

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The Hacker News24. Juli 2026

Golden Chickens Resurfaces With Four New Malware Families and Modular Implants

The threat actors behind the Golden Chickens malware-as-a-service (MaaS) ecosystem have resurfaced with four new malware families, indicating that the operators are showing no signs of stopping despite extensive public d

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Heise Security24. Juli 2026

Kimi K3: Chinesische KI findet mehrere Zero-Day-Lücken in redis-Datenbank

Ein IT-Forscher hat mit der chinesischen KI Kimi K3 mehrere Zero-Day-Lücken in der redis-Datenbank entdeckt. Updates bestätigen die Funde.

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Heise Security24. Juli 2026

WhatsApp-Chats mit anderen Messengern: Threema listet Gründe für Ablehnung auf

Unter EU-Vorgaben musste WhatsApp für Chats mit anderen Messengern geöffnet werden. Nicht nur aus Datenschutzgründen lehnt Threema das weiterhin ab.

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Golem Security24. Juli 2026

RefluXFS: Kernel-Bug verleiht auf Millionen von Linux-Systemen Root-Zugriff

Eine Sicherheitslücke im Linux-Kernel lässt Angreifer beliebige Dateien auf XFS-Volumes überschreiben. Root-Rechte sind damit leicht zu beschaffen. (<a href="https://www.golem.de/specials/sicherheitsluecke/">Sicherheitsl

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Heise Security24. Juli 2026

NetBird: WireGuard-Verbindungen per Desktop-App steuern

NetBird 0.75.0 ersetzt den Tray-Client durch eine neue Desktop-App und öffnet die Daemon-API für HTTP und JSON.

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Heise Security24. Juli 2026

Sicherheitsupdate n8n: Accountübernahme und Sandboxausbruch möglich

Das Workflow-Automatisierungstool n8n ist verwundbar und Angreifer können Instanzen kompromittieren.

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Heise Security24. Juli 2026

IETF: Warnung vor Nebenwirkungen eines Social-Media-Verbots für Jugendliche

Auf dem IETF-Treffen in Wien warnten Entwickler vor den Risiken von Altersverifikationssystemen. Diese könnten Sicherheit und Vertraulichkeit im Netz gefährden.

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Heise Security24. Juli 2026

Adobe-Chrome-Erweiterung ermöglichte Datenklau

In der Chrome-Erweiterung Adobe Acrobat mit 312 Millionen Nutzern klaffte eine Schwachstelle. Dadurch konnten Angreifer Daten stehlen.

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The Hacker News24. Juli 2026

NodeBB Patches Eight AI-Found Flaws Exposing Admin Access and Private Chats

Eight security flaws in NodeBB went public on Wednesday, along with the code to exploit them. Aikido Security rates all eight as high severity and says its AI pentest agents found them in a six-hour review of the forum s

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BleepingComputer24. Juli 2026

Clop ransomware targets Windchill, FlexPLM in data theft attacks

The Clop ransomware gang (also tracked as Cl0p) is targeting Internet-exposed PTC Windchill and FlexPLM instances in a new data theft extortion campaign. [...]

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The Hacker News24. Juli 2026

Kimi K3 Agents Found Redis Zero-Days and Built RCE Exploit, Researchers Say

Redis shipped seven security releases on July 23 after researchers published authenticated RCE PoCs for stock Redis 6.2.22, 7.4.9, 8.6.4, and 8.8.0. All four chains require RESTORE. The Streams chains also need EVAL and

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The Hacker News24. Juli 2026

Fake Notepad++ Plugin Delivers MATCHBOIL.V2 in UAC-0099 Attacks

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new campaign that involves the use of a malicious program that's dressed up as a Notepad++ plugin to compromise Windows systems. The activity has

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Golem Security24. Juli 2026

Datenpanne: OpenAI-Crawler greift Kundendaten von Universa ab

Durch eine Fehlkonfiguration sind Kundendaten der Universa-Versicherungen zeitweise offen im Netz gestanden. Ein Crawler von OpenAI hat die Gelegenheit genutzt. (<a href="https://www.golem.de/specials/datenleck/">Datenle

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