Cybersecurity Briefing: October 24, 2020 - APT Threats and Vulnerabilities

Lead Story: CISA Advisory on APT Activities

On October 24, 2020, the Cybersecurity and Infrastructure Security Agency (CISA) issued an urgent advisory concerning advanced persistent threat (APT) actors exploiting critical vulnerabilities, notably CVE-2020-1472, which affects Windows Netlogon. This vulnerability allows attackers to escalate privileges and gain unauthorized access to sensitive systems. The advisory indicated that these activities targeted federal, state, and local governments, with reports of some unauthorized access to election-related data. Importantly, CISA reassured that the integrity of the elections remained intact. The advisory serves as a stark reminder of the evolving tactics employed by APT groups and the necessity for heightened vigilance among organizations responsible for safeguarding critical data. CISA Advisory

Secondary Item 1: Chaining Vulnerabilities

The CISA advisory further detailed the alarming trend of APT actors chaining older vulnerabilities with newer ones to exploit systems effectively. One such vulnerability highlighted was CVE-2018-13379, which affects Fortinet devices. This practice underscores the ongoing risk posed by legacy systems and their exploitation, emphasizing the critical need for organizations to patch older vulnerabilities to mitigate risks from sophisticated attacks. CISA Advisory

Secondary Item 2: Supply Chain Vulnerabilities

As investigations into high-profile breaches continue, the SolarWinds attack remains a key concern. The supply chain attack compromised software updates affecting thousands of organizations worldwide, demonstrating the extensive repercussions that can arise from vulnerabilities within software supply chains. This incident highlights the need for robust security measures not just within organizations, but throughout their supply chains. Wikipedia

Analyst Perspective

The events of October 24, 2020, underscore the persistent and evolving nature of cyber threats. As APT actors increasingly leverage both new and legacy vulnerabilities, organizations must prioritize security measures and proactive threat hunting. The SolarWinds breach further illustrates the complexities of supply chain security, necessitating a comprehensive approach to cybersecurity that includes rigorous vetting of third-party software and prompt patch management to defend against sophisticated attacks. Ensuring the integrity of critical systems requires ongoing vigilance and adaptation to the fast-moving threat landscape.