Latest Cybersecurity News and Articles

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New HollowGraph Malware Abuses Microsoft 365 Calendar for C&C Communication

Part of a larger toolkit, HollowGraph uses a compromised 365 account’s calendar as a two-way dead-drop. The post New HollowGraph Malware Abuses Microsoft 365 Calendar for C&C Communication appeared first on SecurityWeek.

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N-day is Becoming N-Hour. Patching Faster Won't Save You.

Every patch is a confession. The moment a vendor ships a security fix, the diff between the old code and the new code tells anyone watching exactly what was broken and where. Turn that diff back into a working exploit, and you can hit every system that hasn't updated yet. This is N-day exploitation, and it's always been a race: the vendor patches, the clock starts, and defenders try to deploy

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CISO Conversations: Andreas Gaetje – From Economics to CISO at Körber AG

Gaetje’s story shows that you don’t need to be a ‘deep bit-crawler’ to become a Chief Information Security Officer. The post CISO Conversations: Andreas Gaetje – From Economics to CISO at Körber AG appeared first on SecurityWeek.

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New Bit2Watt Attack Could Let Cloud Tenants Disrupt Power Grids Without an Exploit

A cloud tenant using nothing but ordinary GPU access can push a data center's power draw up and down fast enough to threaten the grid it runs on, with no exploit and no break-in. That is the claim behind Bit2Watt, described by three Zhejiang University researchers in a paper accepted to CHES 2026, the IACR's hardware-security conference, and the evidence splits in two: they measured the power

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Estée Lauder Discloses Impact From Oracle EBS Zero-Day Hack

Hackers exfiltrated personal, financial, and health information from the company’s Oracle EBS instance in August 2025. The post Estée Lauder Discloses Impact From Oracle EBS Zero-Day Hack appeared first on SecurityWeek.

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Meta Paid $78,000 Bounty for Vulnerability Exposing Customer Support Data

A security researcher discovered a broken access control vulnerability in Meta’s support infrastructure. The post Meta Paid $78,000 Bounty for Vulnerability Exposing Customer Support Data appeared first on SecurityWeek.

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Clover Health Investments Discloses Data Breach

Using social engineering, hackers compromised employee accounts with access to personal and health information. The post Clover Health Investments Discloses Data Breach appeared first on SecurityWeek.

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WordPress wp2shell Exploitation Grows as Public Exploit Fuels Mass Scanning

Attackers have begun to exploit two critical vulnerabilities in WordPress that, when combined together, enable unauthenticated remote code execution (RCE) and complete compromise of vulnerable websites. The two security flaws, tracked as CVE-2026-63030 and CVE-2026-60137, have been codenamed wp2shell. "By the early hours of Saturday morning (UTC), successful exploitation was already well

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Exploitation of ServiceNow Vulnerability Seen Days After Disclosure

The ServiceNow AI platform vulnerability tracked as CVE-2026-6875 can be exploited for remote code execution. The post Exploitation of ServiceNow Vulnerability Seen Days After Disclosure appeared first on SecurityWeek.

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Zimbra Update Patches Critical Vulnerabilities

The latest Zimbra refresh resolves command injection, XSS, restriction bypass, and SSRF security defects. The post Zimbra Update Patches Critical Vulnerabilities appeared first on SecurityWeek.

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New ENCFORGE Ransomware Targets AI Model Files in Langflow RCE Attack

Researchers at Sysdig have linked a second attack on the same Langflow server to JADEPUFFER, the AI-agent-driven operator it first documented earlier this month. The same operator has now been spotted deploying ENCFORGE, a new compiled Go ransomware designed to encrypt model weights, vector indexes, training datasets, and other AI infrastructure files across the host filesystem. The entry

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Critical ServiceNow AI Platform Flaw Exploited for Unauthenticated Code Execution

Threat actors are now exploiting a recently disclosed critical security flaw impacting ServiceNow AI Platform, according to Defused Cyber. In a post shared on X, the threat intelligence firm said it's observing in-the-wild exploitation of CVE-2026-6875 (CVSS score: 9.5), a sandbox escape vulnerability that could allow an unauthenticated user to run arbitrary code. Patches for the flaw were

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FakeGit Campaign Uses 7,600 GitHub Repositories to Spread SmartLoader Malware

Cybersecurity researchers have discovered nearly 7,600 malicious GitHub repositories, out of which more than 800 pose as artificial intelligence (AI) skills or Model Context Protocol (MCP) servers to deliver a malware family known as SmartLoader as part of an ongoing campaign codenamed FakeGit. "FakeGit uses copied projects, lookalike developer profiles, convincing READMEs, and malicious ZIP

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Exposed Server Reveals AI-Assisted Phishing Toolkit Behind WebDAV Malware Campaign

A malware operator left its delivery server wide open, and Rapid7 pulled down the whole toolkit: 1,048 files spanning lure templates, filename-spoofing tests, execution experiments, droppers, builder notes, and two campaign chains. One was already live against Windows users in Mexico, delivering an infostealer through a fake government ID-lookup site over WebDAV. What makes it more than a

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Neo Emerges From Stealth With $100M to Control and Secure Enterprise AI Software

Neo raised money across seed and Series A funding rounds from Andreessen Horowitz, Bessemer Venture Partners, and others. The post Neo Emerges From Stealth With $100M to Control and Secure Enterprise AI Software appeared first on SecurityWeek.

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HollowGraph Malware Hides C2 and Stolen Files in Microsoft 365 Events Dated 2050

A newly discovered espionage implant has been using a hijacked Microsoft 365 calendar as its command channel, planting operator instructions and smuggling out stolen files as attachments on calendar events dated to the year 2050. Group-IB, which named the malware HollowGraph, says the approach moves tasking and stolen data through legitimate Microsoft Graph API traffic, so the activity looks

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SonicWall Zero-Days Exploited to Deliver Custom Malware for Weeks Before Patch

The zero-days CVE-2026-15409 and CVE-2026-15410 were exploited by a threat actor tracked by Volexity as UTA0533. The post SonicWall Zero-Days Exploited to Deliver Custom Malware for Weeks Before Patch appeared first on SecurityWeek.

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⚡ Weekly Recap: WordPress RCE, SonicWall 0-Days, AI Service Attacks, SharePoint 0-Day and More

A single request should not be able to do this much. But this week, small inputs led to code execution, memory loss, stolen keys, and disabled security tools. The paths were often simple: exposed systems, weak checks, old drivers, fake prompts, and public code used for malware delivery. Some bugs were new. Others were already being used before defenders had time to patch. Here is the full

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OpenSSL Silently Fixes ‘HollowByte’ DoS Vulnerability

Attackers could send waves of malicious payloads to trigger buffer pre-allocations that are not freed, exhausting server memory. The post OpenSSL Silently Fixes ‘HollowByte’ DoS Vulnerability appeared first on SecurityWeek.

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Russian Intelligence Hacks IP Cameras to Spy on Military Logistics Across NATO States and Ukraine

At least one Russian intelligence service is systematically hijacking internet-connected security cameras across Europe and Ukraine, using the feeds to watch military transport routes, weapons shipments bound for Kyiv, and the locations of Ukrainian troops. That is the finding of a cybersecurity advisory published July 10 by the AIVD and MIVD, the Netherlands' civilian and military intelligence