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Ben Johnson
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Profile of Ben Johnson

Co-founder and CTO, Obsidian Security
News & Commentary Posts: 7

Ben Johnson is CTO and co-founder of Obsidian Security. Prior to founding Obsidian, he co-founded Carbon Black and most recently served as the company's chief security strategist. As the company's original CTO, he led efforts to create the powerful capabilities that helped define the next-generation endpoint security space. Prior to Carbon Black, Ben was an NSA computer scientist and later worked as a cyber engineer in an advanced intrusion operations division for the intelligence community.

Johnson has extensive experience building complex systems for environments where speed and reliability are paramount. His background also includes a great deal of technical "agility," having worked on advanced operational teams supporting US national security missions and writing complex calculation engines for the financial sector.

Johnson earned a bachelor's degree in computer science from the University of Chicago and a master's degree in computer science from Johns Hopkins University. He also taught "Entrepreneurship in Technology" in the Masters Program of Computer Science at the University of Chicago in 2016 and 2017.
Articles by Ben Johnson
High Stress Levels Impacting CISOs Physically, Mentally
Jai Vijayan, Freelance writer,  2/14/2019
Valentine's Emails Laced with Gandcrab Ransomware
Kelly Sheridan, Staff Editor, Dark Reading,  2/14/2019
Making the Case for a Cybersecurity Moon Shot
Adam Shostack, Consultant, Entrepreneur, Technologist, Game Designer,  2/19/2019
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2019-8980
PUBLISHED: 2019-02-21
A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.
CVE-2019-8979
PUBLISHED: 2019-02-21
Koseven through 3.3.9, and Kohana through 3.3.6, has SQL Injection when the order_by() parameter can be controlled.
CVE-2013-7469
PUBLISHED: 2019-02-21
Seafile through 6.2.11 always uses the same Initialization Vector (IV) with Cipher Block Chaining (CBC) Mode to encrypt private data, making it easier to conduct chosen-plaintext attacks or dictionary attacks.
CVE-2018-20146
PUBLISHED: 2019-02-21
An issue was discovered in Liquidware ProfileUnity before 6.8.0 with Liquidware FlexApp before 6.8.0. A local user could obtain administrator rights, as demonstrated by use of PowerShell.
CVE-2019-5727
PUBLISHED: 2019-02-21
Splunk Web in Splunk Enterprise 6.5.x before 6.5.5, 6.4.x before 6.4.9, 6.3.x before 6.3.12, 6.2.x before 6.2.14, 6.1.x before 6.1.14, and 6.0.x before 6.0.15 and Splunk Light before 6.6.0 has Persistent XSS, aka SPL-138827.