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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Customer Account Takeovers: The Multi-Billion Dollar Problem You Don’t Know About

Everyone has cybersecurity stories involving family members. Here’s a relatively common one. The conversation usually goes something like this: 
“The strangest thing happened to my streaming account. I got locked out of my account, so I had to change my password. When I logged back in, all my shows were gone. Everything was in Spanish and there were all these Spanish shows I’ve never seen

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RansomHub Went Dark April 1; Affiliates Fled to Qilin, DragonForce Claimed Control

Cybersecurity researchers have revealed that RansomHub’s online infrastructure has “inexplicably” gone offline as of April 1, 2025, prompting concerns among affiliates of the ransomware-as-a-service (RaaS) operation.
Singaporean cybersecurity company Group-IB said that this may have caused affiliates to migrate to Qilin, given that “disclosures on its DLS [data leak site] have doubled since

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