Microsoft Releases Security Update for Edge

Original release date: May 22, 2020

Microsoft has released a security update to address a vulnerability in Edge (Chromium-based). A remote attacker could exploit this vulnerability to write files to arbitrary locations and gain elevated privileges.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review Microsoft’s Security Advisory for CVE-2020-1195 and apply the necessary update.

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Cisco Releases Security Updates

Original release date: May 22, 2020

Cisco has released security updates to address vulnerabilities in Unified CCX software and Prime Network Registrar. A remote attacker could exploit one of these vulnerabilities to take control of an affected system.

The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review the following Cisco advisories and apply the necessary updates:

For updates addressing lower severity vulnerabilities see the Cisco Security Advisories page.

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ACSC Releases Cyber Criminal and APT Tradecraft Trends for 2019-2020

Original release date: May 22, 2020

The Australian Cyber Security Centre (ACSC) has released a summary of trends for 2019-2020 outlining tactics, techniques, and procedures (TTPs) used by cyber criminals and advanced persistent threat (APT) groups to target Australian networks. ACSC uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework to identify notable adversary TTPs.  

The Cybersecurity and Infrastructure Security Agency (CISA) encourages administrators to review ACSC’s Summary of Tradecraft Trends for 2019-20: Tactics, Techniques and Procedures Used to Target Australian Networks and MITRE’s ATT&CK for Enterprise framework for more information.

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CISA, DOE, and UK’s NCSC Issue Guidance on Protecting Industrial Control Systems

Original release date: May 22, 2020

The Cybersecurity and Infrastructure Security Agency (CISA), the Department of Energy (DOE), and the UK's National Cyber Security Centre (NCSC) have released Cybersecurity Best Practices for Industrial Control Systems, an infographic providing recommended cybersecurity practices for industrial control systems (ICS). The two-page infographic summarizes common ICS risk considerations, short- and long-term cybersecurity event impacts, best practices to defend ICS processes, and highlights NCSC's product on Secure Design Principles and Operational Technology.

CISA, DOE, and NCSC encourage users to review Cybersecurity Best Practices for Industrial Control Systems. For more in-depth information, visit CISA’s ICS Recommended Practices webpage and DOE's Cybersecurity Capability Maturity Model (C2M2) Program webpage. For information on CISA Assessments, visit https://www.cisa.gov/cyber-resource-hub.

This product is provided subject to this Notification and this Privacy & Use policy.