TeslaCrypt: The Battle is Over

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By Talos Group Talos has updated its TeslaCrypt decryptor tool, which now works with any version of this variant of ransomware. You can download the decryptor here. When Talos first examined TeslaCrypt version 1.0 in April of 2015, we articulated how this ransomware operated and were able to develop a decryptor. Soon thereafter, TeslaCrypt version 2.0 was released, […]

Source:: Cisco Security Notice

TeslaCrypt: The Battle is Over

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By Talos Group Talos has updated its TeslaCrypt decryptor tool, which now works with any version of this variant of ransomware. You can download the decryptor here. When Talos first examined TeslaCrypt version 1.0 in April of 2015, we articulated how this ransomware operated and were able to develop a decryptor. Soon thereafter, TeslaCrypt version 2.0 was released, […]

Source:: Cisco Security Notice

Detection in Depth

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By Gavin Reid Defense in depth is a well understood and widely implemented approach that can better secure your organization’s network. It works by placing multiple layers of defense throughout the network to create a series of overlapping and redundant defenses. If one layer fails, there will still be other defenses that remain intact. However, a lesser known […]

Source:: Cisco Security Notice

Detection in Depth

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By Gavin Reid Defense in depth is a well understood and widely implemented approach that can better secure your organization’s network. It works by placing multiple layers of defense throughout the network to create a series of overlapping and redundant defenses. If one layer fails, there will still be other defenses that remain intact. However, a lesser known […]

Source:: Cisco Security Notice

Vulnerability Spotlight: PDFium Vulnerability in Google Chrome Web Browser

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By Talos Group This vulnerability was discovered by Aleksandar Nikolic of Cisco Talos. PDFium is the default PDF reader that is included in the Google Chrome web browser. Talos has identified an exploitable heap buffer overflow vulnerability in the Pdfium PDF reader. By simply viewing a PDF document that includes an embedded jpeg2000 image, the attacker can achieve […]

Source:: Cisco Security Notice

Vulnerability Spotlight: PDFium Vulnerability in Google Chrome Web Browser

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By Talos Group This vulnerability was discovered by Aleksandar Nikolic of Cisco Talos. PDFium is the default PDF reader that is included in the Google Chrome web browser. Talos has identified an exploitable heap buffer overflow vulnerability in the Pdfium PDF reader. By simply viewing a PDF document that includes an embedded jpeg2000 image, the attacker can achieve […]

Source:: Cisco Security Notice

Vulnerability Spotlight: ESnet iPerf3 JSON parse_string UTF Code Execution Vulnerability

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By Talos Group This vulnerability was discovered by Dave McDaniel, Senior Research Engineer. Summary iPerf is a network testing application that is typically deployed in a client/server configuration and is used to measure the available network bandwidth between the systems by creating TCP and/or UDP connections. For each connection, iPerf reports maximum bandwidth, loss, and other performance related […]

Source:: Cisco Security Notice

Vulnerability Spotlight: ESnet iPerf3 JSON parse_string UTF Code Execution Vulnerability

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By Talos Group This vulnerability was discovered by Dave McDaniel, Senior Research Engineer. Summary iPerf is a network testing application that is typically deployed in a client/server configuration and is used to measure the available network bandwidth between the systems by creating TCP and/or UDP connections. For each connection, iPerf reports maximum bandwidth, loss, and other performance related […]

Source:: Cisco Security Notice