Introduction Bulk phishing email campaigns tend to target large audiences. They use catch-all wordings and simplistic formatting, and typos are not uncommon. Targeted attacks take greater effort, with attackers sending personalized messages that include personal details and might look more like something you’d get from your employer or a customer....

Detection is a traditional type of cybersecurity control, along with blocking, adjustment, administrative and other controls. Whereas before 2015 teams asked themselves what it was that they were supposed to detect, as MITRE ATT&CK evolved, SOCs were presented with practically unlimited space for ideas on creating detection scenarios. With the...

In May 2024, we discovered a new advanced persistent threat (APT) targeting Russian government entities that we dubbed CloudSorcerer. It’s a sophisticated cyberespionage tool used for stealth monitoring, data collection, and exfiltration via Microsoft Graph, Yandex Cloud, and Dropbox cloud infrastructure. The malware leverages cloud resources as its...

Small and medium-sized businesses (SMBs) are increasingly targeted by cybercriminals. Despite adopting digital technology for remote work, production, and sales, SMBs often lack robust cybersecurity measures. SMBs face significant cybersecurity challenges due to limited resources and expertise. The cost of data breaches can cripple operations, making...

Part 1: XZ backdoor story – Initial analysis Part 2: Assessing the Y, and How, of the XZ Utils incident (social engineering) Part 3: XZ backdoor. Hook analysis In our first article on the XZ backdoor, we analyzed its code from initial infection to the function hooking it performs. As we mentioned then, its initial goal was to successfully hook...

The processing power of computers keeps growing, helping users to solve increasingly complex problems faster. A side effect is that passwords that were impossible to guess just a few years ago can be cracked by hackers within mere seconds in 2024. For example, the RTX 4090 GPU is capable of guessing an eight-character password consisting of same-case...