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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

OpenSSL Patches Vulnerabilities

OpenSSL has released updates to patch identified vulnerabilities that could potentially allow an attacker to cause a Denial of Service (DoS) condition. The following updates are available: (a) OpenSSL 1.0.2 users should upgrade to 1.0.2a (b) OpenSSL 1.0.1 users should upgrade to 1.0.1m. (c) OpenSSL 1.0.0 users should upgrade to …

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Ubuntu Security Updates

Ubuntu has released security updates to address multiple vulnerabilities in php5 affecting Ubuntu 10.04 LTS, 12.04 LTS, 14.04 LTS, and 14.10. The vulnerabilities identified could allow an attacker to cause a denial of service or execute arbitrary code. Users and administrators are encouraged to review Ubuntu Security Notices released and …

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Apple Releases Security Updates for Safari

Apple has released a security updates for Safari to address multiple vulnerabilities. Exploitation of one of these vulnerabilities may allow an attacker to execute arbitrary code or prevent users from discerning a phishing attack on an affected system. The following updates are available:- (a) Safari 8.0.4 for OS X Mountain …

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Security Updates for Adobe Flash Player

Adobe has released security updates for Flash Player for Windows, Macintosh and Linux. These updates address critical vulnerability that could potentially allow an attacker to take control of the affected system. Affected software versions are:- (a) Adobe Flash Player 16.0.0.305 and earlier versions (b) Adobe Flash Player 13.0.0.269 and earlier …

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Apple Releases Security Updates for OS X, iOS and Apple TV

Apple has released a security updates for OS X, iOS and Apple TV to address multiple vulnerabilities. Exploitation of one of these vulnerabilities may allow an attacker to intercept HTTPS connections between vulnerable clients and servers (Kindly make reference of FREAK Attack) The following updates are available:- Xcode 6.2 for …

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