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 Michael Koyfman
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Profile of Michael Koyfman

Senior Global Security Solution Architect, F5 Networks
News & Commentary Posts: 1

Michael Koyfman is a Sr. Global Security Solution Architect with F5 Networks with a 12 year tenure with the company.  He is focused on the entire portfolio of F5 Security products, and over the last 7 years has been a key contributor to implementation, strategy, and evolution of F5 security products and solutions. Michael helped architect, develop, and demonstrate various unique F5 integration solutions with vendors such as Microsoft, Citrix, Vmware, Oracle, IBM, etc., and launch new Herculon brand of F5 dedicated security products.  Prior to F5, he led development and implementation of managed security offering at SiteSmith. He also worked at several Fortune 500 companies managing and architecting Internet Data Center security and infrastructure.

Articles by Michael Koyfman
News
Inside the Ransomware Campaigns Targeting Exchange Servers
Kelly Sheridan, Staff Editor, Dark Reading,  4/2/2021
Commentary
Beyond MITRE ATT&CK: The Case for a New Cyber Kill Chain
Rik Turner, Principal Analyst, Infrastructure Solutions, Omdia,  3/30/2021
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2021-23381
PUBLISHED: 2021-04-18
This affects all versions of package killing. If attacker-controlled user input is given, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
CVE-2021-23374
PUBLISHED: 2021-04-18
This affects all versions of package ps-visitor. If attacker-controlled user input is given to the kill function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
CVE-2021-23375
PUBLISHED: 2021-04-18
This affects all versions of package psnode. If attacker-controlled user input is given to the kill function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
CVE-2021-23376
PUBLISHED: 2021-04-18
This affects all versions of package ffmpegdotjs. If attacker-controlled user input is given to the trimvideo function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.
CVE-2021-23377
PUBLISHED: 2021-04-18
This affects all versions of package onion-oled-js. If attacker-controlled user input is given to the scroll function, it is possible for an attacker to execute arbitrary commands. This is due to use of the child_process exec function without input sanitization.