Mandiant – Page 3 – Network Securitas

April 20, 2023

3CX Breach Was a Double Supply Chain Compromise

This post was originally published on this siteWe learned some remarkable new details this week about the recent supply-chain attack on VoIP software provider 3CX. The lengthy, complex intrusion has all the makings of a cyberpunk spy novel: North Korean hackers using legions of fake executive accounts on LinkedIn to lure people into opening malware disguised as a job offer; malware targeting Mac and Linux users working at defense and cryptocurrency firms; and software supply-chain attacks nested within earlier supply chain attacks. Researchers at ESET say this job offer from a phony HSBC recruiter on LinkedIn was North Korean malware masquerading […]

June 8, 2023

Barracuda Urges Replacing — Not Patching — Its Email Security Gateways

This post was originally published on this siteIt’s not often that a zero-day vulnerability causes a network security vendor to urge customers to physically remove and decommission an entire line of affected hardware — as opposed to just applying software updates. But experts say that is exactly what transpired this week with Barracuda Networks, as the company struggled to combat a sprawling malware threat which appears to have undermined its email security appliances in such a fundamental way that they can no longer be safely updated with software fixes. The Barracuda Email Security Gateway (ESG) 900 appliance. Campbell, Calif. based […]

June 15, 2023

CISA Order Highlights Persistent Risk at Network Edge

This post was originally published on this siteThe U.S. government agency in charge of improving the nation’s cybersecurity posture is ordering all federal civilian agencies to take new measures to restrict access to Internet-exposed networking equipment. The directive comes amid a surge in attacks targeting previously unknown vulnerabilities in widely used security and networking appliances. Under a new order from the Cybersecurity and Infrastructure Security Agency (CISA), federal agencies will have 14 days to respond to any reports from CISA about misconfigured or Internet-exposed networking equipment. The directive applies to any networking devices — such as firewalls, routers and load […]