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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

Apple Security Update

Apple has released security updates to address vulnerabilities to its multiple products. Exploitation of these vulnerabilities may allow an attacker to take control of affected system. Users and administrators are encouraged to review Apple Security Update Page and apply necessary updates.

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Thunderbird Security Update

Mozilla has released security update to address vulnerabilities in Mozilla Thunderbird prior to version 68.2. Exploitation of these vulnerabilities may allow an attacker to take control of affected system. Users and administrators are encouraged to review Mozilla Security Advisory and apply necessary updates.

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PHP Security Update

PHP Group has released security updates to address vulnerabilities in PHP prior to versions 7.1.33, 7.2.24 and 7.3.11. Exploitation of these vulnerabilities may allow an attacker to take control of affected system. Users and administrators are encouraged to review PHP Change Log and apply necessary updates.

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VMware Security Update

VMware has released security updates to address vulnerabilities in VMware vSphere ESXi, Workstation, Fusion and vCenter Server Appliance.  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-2019-0019 and   VMSA-2019-0018 and apply necessary updates.

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Mozilla Security Update

Mozilla has released security updates to address vulnerabilities in Firefox prior to version 70 and Firefox ESR prior to version 68.2. Exploitation of these vulnerabilities may allow an attacker to take control of affected system. Users and administrators are encouraged to review Mozilla Security Advisory and apply necessary updates.

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