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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
COVID-19: Latest Security News & Commentary
Dark Reading Staff 10/23/2020
Modern Day Insider Threat: Network Bugs That Are Stealing Your Data
David Pearson, Principal Threat Researcher,  10/21/2020
Are You One COVID-19 Test Away From a Cybersecurity Disaster?
Alan Brill, Senior Managing Director, Cyber Risk Practice, Kroll,  10/21/2020
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2020-27743
PUBLISHED: 2020-10-26
libtac in pam_tacplus through 1.5.1 lacks a check for a failure of RAND_bytes()/RAND_pseudo_bytes(). This could lead to use of a non-random/predictable session_id.
CVE-2020-1915
PUBLISHED: 2020-10-26
An out-of-bounds read in the JavaScript Interpreter in Facebook Hermes prior to commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 allows attackers to cause a denial of service attack or possible further memory corruption via crafted JavaScript. Note that this is only exploitable if the application usi...
CVE-2020-26878
PUBLISHED: 2020-10-26
Ruckus through 1.5.1.0.21 is affected by remote command injection. An authenticated user can submit a query to the API (/service/v1/createUser endpoint), injecting arbitrary commands that will be executed as root user via web.py.
CVE-2020-26879
PUBLISHED: 2020-10-26
Ruckus vRioT through 1.5.1.0.21 has an API backdoor that is hardcoded into validate_token.py. An unauthenticated attacker can interact with the service API by using a backdoor value as the Authorization header.
CVE-2020-15272
PUBLISHED: 2020-10-26
In the git-tag-annotation-action (open source GitHub Action) before version 1.0.1, an attacker can execute arbitrary (*) shell commands if they can control the value of [the `tag` input] or manage to alter the value of [the `GITHUB_REF` environment variable]. The problem has been patched in version ...