In the first post of these series we showed how an adversary can discover Active Directory service accounts with PowerShell, and the second post demonstrated how to crack their passwords using the Kerberoasting technique. Now let’s see how an attacker can exploit a compromised service account using Kerberos Silver Tickets to forge TGS tickets.
Passwords are an easy way to implement an authentication mechanism in which the user is asked to enter a string of characters (that he had chosen) to log in to his accounts. We will cover brute force attacks, types and examples in this blog article.
Crypto miners are determined in their objective of mining in other people's resources. Proof of this is one of the latest samples identified with AT&T Alien Labs, with at least 100 different loaders and at least 4 different stages to ensure their miner and backdoor run smoothly in the infected systems.
LastPass, the popular password manager used by millions of people around the world, has announced that it suffered a security breach two weeks ago that saw attackers break into its systems and steal information. But don’t panic just yet – that doesn’t mean that all of your passwords are now in the hands of internet criminals.
Read also: Greece’s natural gas supplier DESFA hit with ransomware, an advanced BEC campaign targets high-ranking executives, and more.
In 2013, a group of ethical hackers started penetration testing to make the Internet a safer place. After hacking companies such as Google, Facebook among others, they realized they could automate their findings to help companies monitor their attack surface and founded Detectify. Fast forward a few years and Detectify’s Crowdsource network boasts of 400+ elite ethical hackers.
Limited data retention resulting from financial or technological constraints makes it hard for security teams to see the complete history of an attack. This lack of full context about a threat — or a potential threat — eventually catches up with organizations, leading to longer dwell times and increased risk of a breach.
On August 4, 2022, Advanced – a major software provider for the UK’s National Health System (NHS) and other healthcare customers – suffered a ransomware attack from a group that is still unknown to the public. The attack disrupted NHS services including ambulance dispatch, appointment bookings, patient referrals and emergency prescriptions.
