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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
For Cybersecurity to Be Proactive, Terrains Must Be Mapped
Craig Harber, Chief Technology Officer at Fidelis Cybersecurity,  10/8/2019
A Realistic Threat Model for the Masses
Lysa Myers, Security Researcher, ESET,  10/9/2019
USB Drive Security Still Lags
Dark Reading Staff 10/9/2019
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Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2019-17545
PUBLISHED: 2019-10-14
GDAL through 3.0.1 has a poolDestroy double free in OGRExpatRealloc in ogr/ogr_expat.cpp when the 10MB threshold is exceeded.
CVE-2019-17546
PUBLISHED: 2019-10-14
tif_getimage.c in LibTIFF through 4.0.10, as used in GDAL through 3.0.1 and other products, has an integer overflow that potentially causes a heap-based buffer overflow via a crafted RGBA image, related to a "Negative-size-param" condition.
CVE-2019-17547
PUBLISHED: 2019-10-14
In ImageMagick before 7.0.8-62, TraceBezier in MagickCore/draw.c has a use-after-free.
CVE-2019-17501
PUBLISHED: 2019-10-14
Centreon 19.04 allows attackers to execute arbitrary OS commands via the Command Line field of main.php?p=60807&type=4 (aka the Configuration > Commands > Discovery screen).
CVE-2019-17539
PUBLISHED: 2019-10-14
In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.