Latest Cybersecurity News and Articles

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Citrix Patches NetScaler Vulnerabilities, Including New ‘HTTP/2 Bomb’ Attack

Citrix urges customers to patch NetScaler after fixing six vulnerabilities, including the HTTP/2 Bomb flaw and a high-severity CitrixBleed-style information disclosure bug. The post Citrix Patches NetScaler Vulnerabilities, Including New ‘HTTP/2 Bomb’ Attack appeared first on SecurityWeek.

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Microsoft Accelerates Post-Quantum Cryptography Shift to 2029

Microsoft on Tuesday said it's accelerating its quantum safe security roadmap, stating technology advances in quantum computing are making it essential to replace existing encryption standards sooner than previously expected. "Advances in quantum research and development have shifted the risk horizon," Mark Russinovich, chief technology officer of Microsoft Azure, said. "We believe

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Frontier AI: Six Questions Every Enterprise Should Ask Security Vendors

From model selection and automation to validation and measurable results, the right questions can help enterprises separate genuine AI capabilities from marketing hype. The post Frontier AI: Six Questions Every Enterprise Should Ask Security Vendors appeared first on SecurityWeek.

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Apple Patches Dozens of Vulnerabilities Across iOS, macOS, and Safari

The updates fix vulnerabilities in WebKit, the kernel, WebRTC, Web Extensions, and other components affecting iPhone, iPad, Mac, and Safari users. The post Apple Patches Dozens of Vulnerabilities Across iOS, macOS, and Safari appeared first on SecurityWeek.

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Dawnguard Raises $6.3 Million for Security Architecture Automation Platform

The company has publicly launched its solution to help organizations design, build, and operate secure cloud systems. The post Dawnguard Raises $6.3 Million for Security Architecture Automation Platform appeared first on SecurityWeek.

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Massive Password Spray Campaign Targeting Azure CLI

Hackers were seen making over 81 million login attempts originating from systems associated with hosting provider LSHIY. The post Massive Password Spray Campaign Targeting Azure CLI appeared first on SecurityWeek.

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Phantom Squatting Uses AI-Hallucinated Domains for Phishing and Malware

Large language models keep inventing web addresses that do not exist. Attackers have started buying those made-up domains before anyone else can, then hosting phishing pages on them to catch traffic that AI tools point their way. Palo Alto Networks' Unit 42 calls the trick phantom squatting, and its new research shows it is already happening in the wild. The reason it matters is

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Anthropic Restores Claude Fable 5 After U.S. Lifts Jailbreak-Linked Export Controls

Anthropic is putting Claude Fable 5 back online worldwide. On June 30, the U.S. Commerce Department lifted the export controls it had imposed on Fable and its more tightly controlled sibling Mythos 5 about two and a half weeks earlier. Fable 5 returns to users on Wednesday, July 1, across Claude.ai, the Claude Platform, Claude Code, and Claude Cowork. Export controls restrict who can

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Google Patches 382 Chrome Vulnerabilities

Fifteen of the newly patched flaws have been rated ‘critical’ and 67 have been rated ‘high severity’. The post Google Patches 382 Chrome Vulnerabilities appeared first on SecurityWeek.

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Azure CLI Password Spray Hits at Least 78 Microsoft Accounts in 81M+ Attempts

Cybersecurity researchers have warned of a "massive, ongoing, automated password spray attack" aimed at Microsoft's Azure command-line interface (CLI), compromising dozens of accounts in the process. The activity, per Huntress, originates from an IPv6 address range (2a0a:d683::/32) controlled by internet infrastructure provider LSHIY LLC (AS32167). "Between June 12 and June 26, the threat

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Researcher Analyzes 3,000 Live ClickFix Payloads, Exposing API-Driven Malware Delivery

ClickFix, the trick that fools people into running malware by hand, has quietly grown a back office. New research shows the malicious commands behind its fake "prove you're human" pages are now handed out by API-driven servers that give each visitor the same malware in a different disguise. The same research also turned up a new delivery method built to slip past Windows' script scanning.

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Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-of-Service

Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition. The vulnerabilities are listed below - CVE-2026-8451 (CVSS score: 8.8) - An insufficient input validation

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Microsoft Warns Poisoned MCP Tool Descriptions Can Make AI Agents Leak Data

New Microsoft research shows how attackers can hijack AI agents that act on a user's behalf, using nothing more than a poisoned tool description to make the agent quietly hand over company data to an outsider. The trick is that the agent never breaks a rule. Every step looks routine, so in a default setup no alarm may fire. The work comes from Microsoft Incident Response and its

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RustDuck Botnet Rebuilds in Rust to Hijack Routers and Servers for DDoS

A new two-stage malware family called RustDuck is hijacking home routers, IP cameras, Android boxes, and poorly secured servers, then stitching them into a network built to knock websites and online services offline. Researchers at QiAnXin's XLab have tracked it since February 2026, and say the real story is not how big it is today, but how fast it is changing. The end goal is a

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Langflow RCE Exploited to Deploy Monero Miner on Exposed AI App Endpoints

Threat actors are continuing to exploit a critical Langflow vulnerability as part of fresh attacks designed to deliver a Monero cryptocurrency miner. The activity has been found to weaponize CVE-2026-33017 (CVSS score: 9.3), an unauthenticated remote code execution (RCE) vulnerability in Langflow, indicating threat actors are scanning and targeting exposed artificial intelligence (AI)

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Silent Swap Crypto Clipper Uses Fake Google Notes Extension to Replace Wallet Addresses

Cybersecurity researchers have flagged an active browser extension campaign that is designed to steal cryptocurrency by stealthily replacing wallet addresses when unsuspecting users initiate a transaction. The cryptocurrency clipper activity has been codenamed Silent Swap by McAfee Labs. "The campaign is delivered through unsigned installers – observed in both .NET and Golang variants – that

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GuardFall Exposes Open-Source AI Coding Agents to Decades-Old Shell Injection Risks

The safety check that is supposed to stop an AI coding agent from running a dangerous command can be walked straight past using a shell trick that has been public for decades. New research from Adversa AI, which is named the bypass GuardFall, found it works against ten of the eleven popular open-source coding and computer-use agents the firm tested. Only one, "Continue," was built to

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BlueHammer Vulnerability Exploited in Ransomware Attacks

The Microsoft Defender vulnerability CVE-2026-33825 was exploited in the wild as a zero-day before patches were released. The post BlueHammer Vulnerability Exploited in Ransomware Attacks appeared first on SecurityWeek.

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282 iOS AI Apps Leak API Keys and Open AI Proxy Access in Network Traffic Study

Researchers tested 444 AI chatbot apps for iPhone and found that 282 of them, nearly two-thirds, exposed paid AI access through their network traffic. In many cases, the path in was visible just by watching what the app sent: a plaintext API key, a reusable token, or a backend server that accepted requests with no key at all. Whoever grabs it can send model requests on the developer's account,

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Decades-Old Bash Tricks Expose AI Coding Agents to Supply Chain Attacks

Decades-old Bash shell tricks can bypass safeguards in most open source AI coding agents, potentially turning malicious repositories into supply chain attack vectors. The post Decades-Old Bash Tricks Expose AI Coding Agents to Supply Chain Attacks appeared first on SecurityWeek.