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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 Released Security Advisory for Unpatched Vulnerability

Microsoft has released a security advisory to address unpatched vulnerability that affecting all supported releases of Microsoft Windows, excluding Windows Server 2003. These updates address the vulnerability that could allow remote code execution if a user opens a crafted Microsoft Office file that contains an OLE object. Users and administrators …

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Ebola Phishing Scams and Malware Campaigns

Cybercriminals are using Ebola virus epidemic as social engineering theme to circulate Malware and performing Phishing activities. Symantec has observed three malware operations and a phishing campaign using the Ebola virus as a social engineering theme. Attackers may use these Phishing emails that contain links that direct users to websites …

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OpenSSL Patches Four Vulnerabilities

OpenSSL has released update patching vulnerabilities. These updates address vulnerabilities that could potentially allow an attacker to cause a Denial of Service (DoS) condition or execute man-in-the-middle attacks. The following updates are available: OpenSSL 1.0.1 users should upgrade to 1.0.1j OpenSSL 1.0.0 users should upgrade to 1.0.0o OpenSSL 0.9.8 users …

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Google Releases Security Updates for Chrome and Chrome OS

Google has released security updates to address multiple vulnerabilities in Chrome and Chrome OS. This update addresses the vulnerabilities that could allow an attacker to take control of the affected system. Updates available include: Chrome 38.0.2125.104 for Windows, Mac and Linux Chrome OS 38.0.2125.108 for all Chrome OS devices except …

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Mozilla Releases Security Updates for Firefox, Thunderbird and Firefox ESR

The Mozilla Foundation has release a security updates to address multiple vulnerabilities in Firefox, Thunderbird and Firefox ESR. These updates address vulnerabilities that could allow an attacker to execute arbitrary code, obtain sensitive information, cause an exploitable crash, and conduct a man-in-the-middle attack. The following updates are available: Firefox 33 …

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sub2.fw

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