After a wave of major in-the-wild zero-day attacks against Exchange Server installations that occurred globally in January, savvy organizations scrambled to lock down vulnerable Microsoft email servers and remove web shells that were installed by attackers. In early attacks observed by Microsoft, attackers were able to exploit a series of vulnerabilities to access on-premises Exchange…

With the COVID-19 pandemic forcing many organizations to switch to telework, interactive communication platforms such as Discord and Slack saw increased adoption and adversaries didn’t wait long to start abusing these tools. According to Cisco’s Talos researchers, the past year has shown a significant increase in the abuse of such platforms as part of malicious…

At the beginning of 2021, the threat actors behind the Cring ransomware were observed launching numerous attacks on European industrial enterprises, forcing at least one organization to shut down a production site. The initial vector of attack was later identified as CVE-2018-13379, a vulnerability in the FortiOS SSL VPN web portal that could allow unauthenticated…

PCAP, or full packet data capture for analysis, does what it says – it captures the entirety of every packet that comprises the network traffic (both metadata and content). If something happens on the network, PCAP knows about it. Whether it is malware moving data around, or staff arranging a private party, it can be…

Tracked as CVE-2021-21982 and featuring a CVSS score of 9.1, the recently addressed vulnerability resides in the administrative interface for the appliance and exists because attackers could bypass authentication through manipulation of a URL on the interface. “A malicious actor with network access to the administrative interface of the VMware Carbon Black Cloud Workload appliance…

Initially observed in December 2020, the self-named Hades ransomware (a different malware family from the Hades Locker ransomware that emerged in 2016) employs a double-extortion tactic, exfiltrating victim data and threatening to leak it publicly unless the ransom is paid. The adversary appears mainly focused on enterprises, with some of the victims being multi-national organizations…

The new iOS 14.4.2 was released on Friday with yet another band-aid for Apple’s flagship iOS platform and the company said it was “aware of reports that an exploit for this issue exists in the wild.” As is customary, the company did not provide any additional details on the in-the-wild attacks. A brief advisory describes…

The malware campaign, dubbed Purple Fox, has been active since at least 2018 and the discovery of the new worm-like infection vector is yet another sign that consumer-grade malware continues to reap profits for cybercriminals. According to Guardicore researcher Amit Serper, the Purple Fox operators primarily used exploit kits and phishing emails to build botnets…

Malware hunters at U.K.-based NCC Group are raising the alarm for mass scanning and “multiple exploitation attempts” with exploits targeting critical security flaws in the F5 enterprise networking infrastructure products. The vulnerabilities were patched on March 10 and are considered high-priority fixes because of the risk of exposure to authentication bypass and remote code execution…