Microsoft August 2025 Patch Tuesday Fixes Kerberos Zero-Day Among 111 Total New Flaws

Microsoft on Tuesday rolled out fixes for a massive set of 111 security flaws across its software portfolio, including one flaw that has been disclosed as publicly known at the time of the release.
Of the 111 vulnerabilities, 16 are rated Critical, 92 are rated Important, two are rated Moderate, and one is rated Low in severity. Forty-four of the vulnerabilities relate to privilege

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Fortinet Warns About FortiSIEM Vulnerability (CVE-2025-25256) With In-the-Wild Exploit Code

Fortinet is alerting customers of a critical security flaw in FortiSIEM for which it said there exists an exploit in the wild.
The vulnerability, tracked as CVE-2025-25256, carries a CVSS score of 9.8 out of a maximum of 10.0.
“An improper neutralization of special elements used in an OS command (‘OS Command Injection’) vulnerability [CWE-78] in FortiSIEM may allow an unauthenticated attacker to

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Phishers Target Aviation Execs to Scam Customers

KrebsOnSecurity recently heard from a reader whose boss’s email account got phished and was used to trick one of the company’s customers into sending a large payment to scammers. An investigation into the attacker’s infrastructure points to a long-running Nigerian cybercrime group that is actively targeting established companies in the transportation and aviation industries.

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Storm-2603 Exploits SharePoint Flaws to Deploy Warlock Ransomware on Unpatched Systems

Microsoft has revealed that one of the threat actors behind the active exploitation of SharePoint flaws is deploying Warlock ransomware on targeted systems.
The tech giant, in an update shared Wednesday, said the findings are based on an “expanded analysis and threat intelligence from our continued monitoring of exploitation activity by Storm-2603.”
The threat actor attributed to the financially

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Critical Unpatched SharePoint Zero-Day Actively Exploited, Breaches 75+ Global Organizations

A critical security vulnerability in Microsoft SharePoint Server has been weaponized as part of an “active, large-scale” exploitation campaign.
The zero-day flaw, tracked as CVE-2025-53770 (CVSS score: 9.8), has been described as a variant of CVE-2025-49706 (CVSS score: 6.3), a spoofing bug in Microsoft SharePoint Server that was addressed by the tech giant as part of its July 2025 Patch Tuesday

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AI poisoning and the CISO’s crisis of trust

In May 2025, the NSA, CISA, and FBI issued a joint bulletin authored with the cooperation of the governments of Australia, New Zealand, and the United Kingdom confirming that adversarial actors are poisoning AI systems across sectors by corrupting the data that trains them. The models still function — just no longer in alignment with reality.

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