Ransomware attack on MSI led to compromised Intel Boot Guard private keys

On April 7, 2023 MSI (Micro-Star International) released a statement confirming a cyberattack on part of its information systems. While the statement does not reveal a lot of tangible information, this snippet is important: “MSI urges users to obtain firmware/BIOS updates only from its official website, and not to use files from sources other than […]

U.S. Authorities Seize 13 Domains Offering Criminal DDoS-for-Hire Services

U.S. authorities have announced the seizure of 13 internet domains that offered DDoS-for-hire services to other criminal actors. The takedown is part of an ongoing international initiative dubbed Operation PowerOFF that’s aimed at dismantling criminal DDoS-for-hire infrastructures worldwide. The development comes almost five months after a “sweep” in December 2022 dismantled 48 similar services 

Operation ChattyGoblin: Hackers Targeting Gambling Firms via Chat Apps

A gambling company in the Philippines was the target of a China-aligned threat actor as part of a campaign that has been ongoing since October 2021. Slovak cybersecurity firm ESET is tracking the series of attacks against Southeast Asian gambling companies under the name Operation ChattyGoblin. “These attacks use a specific tactic: targeting the victim companies’ […]

From DevOps to DevSecOps: Strengthen Product Security with Collaborative Tools

In the fast-paced cybersecurity landscape, product security takes center stage. DevSecOps swoops in, seamlessly merging security practices into DevOps, empowering teams to tackle challenges. Let’s dive into DevSecOps and explore how collaboration can give your team the edge to fight cyber villains. Application security and product security Regrettably, application security teams often intervene

Researchers Uncover SideWinder’s Latest Server-Based Polymorphism Technique

The advanced persistent threat (APT) actor known as SideWinder has been accused of deploying a backdoor in attacks directed against Pakistan government organizations as part of a campaign that commenced in late November 2022. “In this campaign, the SideWinder advanced persistent threat (APT) group used a server-based polymorphism technique to deliver the next stage payload,” […]

Scans required for PCI DSS compliance

This is the fifth blog in the series focused on PCI DSS, written by an AT&T Cybersecurity consultant. See the first blog relating to IAM and PCI DSS here. See the second blog on PCI DSS reporting details to ensure when contracting quarterly CDE tests here. The third blog on network and data flow diagrams for […]

Microsoft Warns of State-Sponsored Attacks Exploiting Critical PaperCut Vulnerability

Iranian nation-state groups have now joined financially motivated actors in actively exploiting a critical flaw in PaperCut print management software, Microsoft said. The tech giant’s threat intelligence team said it observed both Mango Sandstorm (Mercury) and Mint Sandstorm (Phosphorus) weaponizing CVE-2023-27350 in their operations to achieve initial access. “This activity shows Mint

New Ransomware Strain ‘CACTUS’ Exploits VPN Flaws to Infiltrate Networks

Cybersecurity researchers have shed light on a new ransomware strain called CACTUS that has been found to leverage known flaws in VPN appliances to obtain initial access to targeted networks. “Once inside the network, CACTUS actors attempt to enumerate local and network user accounts in addition to reachable endpoints before creating new user accounts and […]

The rise of “Franken-ransomware,” with Allan Liska: Lock and Code S04E11

Ransomware is becoming bespoke, and that could mean trouble for businesses and law enforcement investigators.  It wasn’t always like this.  For a few years now, ransomware operators have congregated around a relatively new model of crime called “Ransomware-as-a-Service.” In the Ransomware-as-a-Service model, or RaaS model, ransomware itself is not delivered to victims by the same criminals that make […]

Ransomware review: May 2023

This article is based on research by Marcelo Rivero, Malwarebytes’ ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, “known attacks” are those where the victim didn’t pay a ransom. This provides the best overall picture of ransomware activity, but the true number of attacks is far […]