Government of the Republic of Trinidad and Tobago
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Securing the Nation's Digital Infrastructure

TTCSIRT-393.04.27.21 TTCSIRT ADVISORY- NSA-CISA-FBI JOINT ADVISORY ON RUSSIAN SVR TARGETING U.S. AND ALLIED NETWORKS

The Cybersecurity & Infrastructure Security Agency (CISA), National Security Agency (NSA) and the Federal Bureau of Investigation (FBI) of the United States have released a Joint Cybersecurity Advisory (CSA) on Russian Foreign Intelligence Service (SVR) actors scanning for and exploiting vulnerabilities to compromise U.S. and allied networks, including national security and government-related systems. Specifically, SVR actors are …

TTCSIRT-392.04.15.21 TTCSIRT ADVISORY- APPLY MICROSOFT APRIL 2021 SECURITY UPDATE TO MITIGATE NEWLY DISCLOSED MICROSOFT EXCHANGE VULNERABILITIES

Microsoft’s April 2021 Security Update mitigates significant vulnerabilities affecting on-premises Exchange Server 2013, 2016, and 2019. An attacker could exploit these vulnerabilities to gain access and maintain persistence on the target host. The Cybersecurity & Infrastructure Security Agency (CISA) strongly urges organizations to apply Microsoft’s April 2021 Security Update to mitigate against these newly disclosed vulnerabilities. …

TTCSIRT- 391.03.17.21: TTCSIRT ADVISORY- MICROSOFT RELEASES EXCHANGE ON-PREMISES MITIGATION TOOL

Microsoft has released the Exchange On-premises Mitigation Tool (EOMT.ps1) that can automate portions of both the detection and patching process. Microsoft stated the following along with the release: “[the tool is intended] to help customers who do not have dedicated security or IT teams to apply these security updates. The United States of America’s Cybersecurity and Infrastructure …

TTCSIRT-390.03.03.21:TTCSIRT ADVISORY – Critical Microsoft Exchange Server Security Updates

Updated for March 12, 2021 Microsoft has released out-of-band security updates to address multiple vulnerabilities affecting Microsoft Exchange Server 2013, 2016, and 2019. The United States Cyber and Infrastructure Security Agency (CISA) reports that successful exploitation of these vulnerabilities allows an attacker to execute arbitrary code on vulnerable Exchange Servers, enabling the attacker to gain …

TTCSIRT-389.02.04.21: TTCSIRT ADVISORY- SMA 100 SERIES 10.X FIRMWARE ZERO-DAY VULNERABILITY

Please be advised that SonicWall is announcing the availability of an SMA 100 series firmware 10.2.0.5-29sv update to patch a zero-day vulnerability on SMA 100 series 10.x code. All SMA 100 series users must apply this patch IMMEDIATELY to avoid potential exploitation. Affected SMA 100 Devices with 10.x Firmware that Require the Critical Patch: Physical Appliances: SMA 200, SMA 210, SMA 400, SMA …

TTCSIRT-388.01.19.21:TTCSIRT ADVISORY – Microsoft Defender Remote Code Execution Vulnerability

Please be advised that Microsoft has released a security advisory to address a remote code execution vulnerability, CVE-2021-1647, in Microsoft Defender. A remote attacker can exploit this vulnerability to take control of an affected system. This vulnerability was detected in exploits in the wild. TT-CSIRT is urging all entities (public and private) to download and install …

TTCSIRT-387.01.14.21:TTCSIRT ADVISORY – Microsoft Releases January 2021 Security Updates

Please be advised that Microsoft has released January 2021 Security Updates which prevents remote attackers from exploiting vulnerabilities to gain control of affected systems. The following software will be updated: Microsoft Windows Microsoft Edge (EdgeHTML-based) Microsoft Office and Microsoft Office Services and Web Apps Microsoft Windows Codecs Library Visual Studio SQL Server Microsoft Malware Protection …

TTCSIRT-386.12.14.20:TTCSIRT ADVISORY – SUNBURST BACKDOOR

FireEye has uncovered a widespread campaign that they are tracking as UNC2452. The actors behind this campaign gained access to numerous public and private organizations around the world. They gained access to victims via trojanized updates to SolarWind’s Orion IT monitoring and management software. FireEye stated that this campaign may have begun as early as …

TTCSIRT-385.12.07.20: TT-CSIRT ADVISORY – Google Releases Security Updates for Chrome

Google has released Chrome version 87.0.4280.88 for Windows, Mac, and Linux. This version addresses vulnerabilities that an attacker could exploit to take control of an affected system. It is encouraged that users and administrators review and apply the necessary updates. For further information and support, please visit:Chrome Release

TTCSIRT-384.12.07.20: TT-CSIRT ADVISORY – Cisco Security Advisory for Vulnerability in AnyConnect

Cisco has released a security advisory on an Arbitrary Code Execution vulnerability—CVE-2020-3556—affecting Cisco AnyConnect Secure Mobility Client devices. A remote attacker could exploit this vulnerability to take control of an affected system. It is encouraged that users and administrators to review and apply the necessary updates or workarounds. For further information and support, please visit the following link:Cisco …