File servers are here to stay. Here’s how to manage them securely

Organizations still rely on on-premises file servers for cost control, sovereignty, and compatibility, but secure access governance is critical to protect data across hybrid environments. The article outlines five file server best practices, including using groups instead of direct user permissions, following the AGDLP model, relying on NTFS for granular control, preserving inheritance, and enforcing least privilege. #AGDLP #NTFS #tenfold

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Chinese Fire Ant hackers turn Cisco routers into spying platforms

Sygnia found that Fire Ant shifted from VMware hypervisors to Cisco routers, TACACS servers, and Linux management hosts, using a hidden GRE tunnel and custom malware to maintain persistence and spy on traffic. The group also deployed a disguised backdoor called BridgeAgent, abused trusted infrastructure to reach high-value networks, and overlaps with the Chinese espionage group UNC3886. #FireAnt #BridgeAgent #UNC3886 #CiscoIOSXR

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Attackers plant remote access tools on compromised PaperCut servers

PaperCut says a threat actor is exploiting two zero-day vulnerabilities in PaperCut NG and MF to gain access to internet-facing Application Servers and covertly install legitimate remote access tools such as SimpleHelp and AnyDesk. The vendor has released emergency patches and urged customers to restrict access, preserve forensic evidence, and rebuild affected servers if compromise is suspected. #PaperCut #CVE-2026-81578 #CVE-2026-82078 #SimpleHelp #AnyDesk

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Threat actors are posing as AI crawlers to hunt for exposed credentials

Attackers are forging AI crawler identities from OpenAI, Anthropic, Google, Perplexity, and Amazon to hide automated scans that search websites for exposed credentials and configuration files. GreyNoise found the activity came from 824 IP addresses targeting paths like /.env and /.aws/credentials, but did not confirm whether any secrets were actually stolen. #OpenAI #Anthropic #Google #Perplexity #Amazon #ClaudeBot

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T&K TOKA Hit by Ransomware, Halts Some Operations; Attack and Data Leak Under Investigation

The University of Barcelona (UB) is investigating a recently detected cyberattack affecting some of its systems and is working with Catalonia’s cybersecurity authorities and CSUC to determine the scope of the incident. The university says no data has been affected so far, while it has implemented containment, monitoring, credential renewal, and temporary service interruptions. #UniversityofBarcelona #CSUC #CataloniaCybersecurityAgency

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