Andrew Martin and Caroline Millan report: A hacker exploited Anthropic PBC’s artificial intelligence chatbot to carry out a series of attacks against Mexican government agencies, resulting in the theft of a huge trove of sensitive tax and voter information, according to cybersecurity researchers. The unknown Claude user wrote Spanish-language prompts for the chatbot to act as…
Cybersecurity researchers have discovered an updated version of a malware loader called Hijack Loader that implements new features to evade detection and establish persistence on compromised systems. “Hijack Loader released a new module that implements call stack spoofing to hide the origin of function calls (e.g., API and system calls),” Zscaler ThreatLabz researcher Muhammed Irfan…
An analysis of a data leak from a Chinese cybersecurity company TopSec has revealed that it likely offers censorship-as-a-service solutions to prospective customers, including a state-owned enterprise in the country. Founded in 1995, TopSec ostensibly offers services such as Endpoint Detection and Response (EDR) and vulnerability scanning. But it’s also providing “boutique” solutions in order
TikTok said it will have to “go dark” this weekend unless Biden assures the company it won’t enforce a shutdown after the Supreme Court upheld the ban. The post TikTok Says It Will ‘Go Dark’ Unless It Gets Clarity From Biden Following Supreme Court Ruling appeared first on SecurityWeek.
Cybersecurity researchers have disclosed details of two security vulnerabilities impacting Supermicro Baseboard Management Controller (BMC) firmware that could potentially allow attackers to bypass crucial verification steps and update the system with a specially crafted image. The medium-severity vulnerabilities, both of which stem from improper verification of a cryptographic signature, are
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and National Security Agency (NSA), along with international partners from Australia and Canada, have released guidance to harden on-premise Microsoft Exchange Server instances from potential exploitation. “By restricting administrative access, implementing multi-factor authentication, enforcing strict transport security
Apple on Wednesday released iOS, iPadOS, macOS Tahoe, tvOS, watchOS, and visionOS updates to address a zero-day flaw that it said has been exploited in sophisticated cyber attacks. The vulnerability, tracked as CVE-2026-20700 (CVSS score: N/A), has been described as a memory corruption issue in dyld, Apple’s Dynamic Link Editor. Successful exploitation of the vulnerability…
