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  • PHOBOS RANSOMWARE ATTACK

    TZ-CERT has observed a new and sophisticated techniques that ransomware actors are currently using to infect targeted victims across the globe. The ransomware actors have launched a new variant of ran…

  • Ransomware

    RANSOMWARE OUTBREAK

    Ransomware is a type of malicious software, or malware, designed to deny access to a computer system or data until a ransom is paid. Principally, it encrypts files on the compromised systems and deman…

  • Fileless

    FILELESS MALWARE ATTACK

    Tanzania Computer Emergency Response Team (TZ-CERT) is aware of security incidents involving malicious software named “Fileless malware”. As its name implies, it doesn’t depend on a computer file as a…

  • DOMAIN NAMING SYSTEM (DNS) HIJACKING NOTICE

    Tanzania Computer Emergency Team (TZ-CERT) is informed of a large scale and global campaign involving DNS Infrastructure hijacking targeting domains belonging to Government, Internet Service Providers…

Current Activities

Microsoft Security Updates

Microsoft has released security guidance to address vulnerability in Windows Hello for Business (WHfB) with orphaned keys. Exploitation of this vulnerability may allow a remote attacker to take control of affected system. Users and administrators are encouraged to review Security Update Summary and apply necessary instructions.

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VMware Security Update

VMware has released security updates to address vulnerabilities in VMware ESXi version 6.0, 6.5, 6.7 and Horizon DaaS version 8.x.  Exploitation of these vulnerabilities may allow an attacker to cause a denial of service condition. Users and administrators are encouraged to review VMware Security Advisories VMSA-2019-0022 and apply necessary updates.

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Chrome Security Update

Google has released new security updates to address vulnerabilities in Chrome OS devices with Beta channel prior to version 79.0.3945.66 (Platform version: 12607.47.0). Exploitation of these vulnerabilities may allow an attacker to take control of affected system. Users and administrators are encouraged to review Chrome Security Page and apply necessary updates.

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Mozilla Security Updates.

Mozilla has released security updates to address vulnerabilities in Mozilla Firefox versions prior to 71 and Firefox ESR versions prior to 68.3. Exploitation of these vulnerabilities may allow an attacker to take control of an affected system. Users and administrators are encouraged to review released Mozilla security advisories for Firefox …

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Android Security Updates

Google has released security updates to address vulnerabilities in Android OS. Exploitation of these vulnerabilities may allow an attacker to take control of an affected system. Users and Administrators are encouraged to review released Android Security Bulletin and apply necessary updates.

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A digest of Tanzania Computer Incident Response Teams coverage of cybersecurity news across the globe