Initial Access Brokers: The Facilitators of Cyberattacks
Every Breach Significant in Initial Access Broker World: Magnitude of Each Intrusion
In the shadows of the cybercriminal underworld,Initial Access Brokers (IABs) operate as high-value middlemen, selling unauthorized access to corporate networks to other attackers. Known as 'access-as-a-service', this practice allows IABs to monetize breaches without assuming the risk of executing final attacks [1][2].
IABs play a pivotal role in enabling various cyberattacks, particularly ransomware and fraud operations. By identifying and exploiting vulnerabilities, they establish multiple backdoors or steal credentials, which are then advertised on dark forums or private channels [1][2].
These fraudsters sell the access to ransomware operators, bypassing the intrusion stage and allowing attackers to focus on the deployment phase[1][4]. With high-level privileges like domain admin rights, the attackers can move laterally within networks, escalating privileges and increasing attack severity [2].
Commonly used vectors for IABs are Remote Desktop Protocol (RDP) and VPN access, which are often abused due to their high demand [2]. Market prices for compromised network access vary, with high-level privileges fetching a premium [2].
Organizations must adopt robust security measures to combat the IAB threat. This includes hardening entry points, continuously monitoring network activity for breach indicators, and regularly testing security controls against IAB tactics [1]. For optimal cybersecurity, organizations must not only protect against initial breaches, but also ensure swift response and recovery in case a breach occurs [3].
Sources
[1] "How Initial Access Brokers Fuel Cyberattacks". Last Accessed: 2023-03-15. [Online]. Available: https://www.mcafee.com/blogs/other-blogs/enterprise-threat-intelligence/how-initial-access-brokers-fuel-cyberattacks
[2] "The Dark Side of Network Access: Examining the Threat Landscape of Initial Access Brokers". Last Accessed: 2023-03-15. [Online]. Available: https://www.cybersecurityintelligence.com/news/the-dark-side-of-network-access-examining-the-threat-landscape-of-initial-access-brokers/
[3] "What Organizations Can Do to Counteract the Threat of Initial Access Brokers". Last Accessed: 2023-03-15. [Online]. Available: https://www.trendmicro.com/vinfo/us/security/news/cybercrime-and-digital-threats/what-organizations-can-do-to-counteract-the-threat-of-initial-access-brokers
Network security and endpoint security are crucial measures for organizations to combat the threat posed by Initial Access Brokers (IABs). Strengthening entry points and continuously monitoring network activity for breach indicators helps protect against IAB tactics, while technology like cybersecurity solutions can aid in swift response and recovery in case of a breach.
