Jeff Williams, CTO of Contrast Security, has light hair and blue eyes. He wears a blue collared shirt and dark jacket.

Jeff Williams

CTO, Contrast Security

A pioneer in application security, Jeff Williams is the founder and CTO of Contrast Security, a revolutionary application security product that enhances software with the power to defend itself, check itself for vulnerabilities, and join a security command and control infrastructure. Jeff has over 25 years of security experience and served as the Global Chairman of the OWASP Foundation for eight years, where he created many open source standards, tools, libraries, and guidelines — including the OWASP Top Ten.

Latest from Jeff Williams

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Vulnerabilities & Threats
Legal Liability for Insecure Software Might Work, but It's DangerousLegal Liability for Insecure Software Might Work, but It's Dangerous
byJeff Williams
Aug 28, 2023
3 Min Read
anonymous group of people cover heads using white paper with different symbols as question mark, cogwheels and light bulb
Cyber Risk
What's Your AppSec Personality?What's Your AppSec Personality?
byJeff Williams
Jun 29, 2022
6 Min Read

All from Jeff Williams

Image of blindfolded businessman shooting arrows at target and missing
Cyber Risk
NIST Misses Opportunity With New 'Minimum Standard' for Software Security Testing
NIST Misses Opportunity With New 'Minimum Standard' for Software Security Testing
Aug 17, 2021
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4 Min Read
byJeff Williams
Application Security
It's High Time for a Security Scoring System for Applications and Open Source Libraries
It's High Time for a Security Scoring System for Applications and Open Source Libraries
Jul 2, 2021
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4 Min Read
byJeff Williams
Endpoint Security
Tough Love: Debunking Myths about DevOps & Security
Tough Love: Debunking Myths about DevOps & Security
Aug 19, 2019
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4 Min Read
byJeff Williams
Application Security
Open Source Software Poses a Real Security Threat
Open Source Software Poses a Real Security Threat
Aug 15, 2018
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4 Min Read
byJeff Williams
Vulnerabilities & Threats
How Code Vulnerabilities Can Lead to Bad Accidents
How Code Vulnerabilities Can Lead to Bad Accidents
Jul 10, 2017
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5 Min Read
byJeff Williams
Application Security
New OWASP Top 10 Reveals Critical Weakness in Application Defenses
New OWASP Top 10 Reveals Critical Weakness in Application Defenses
Apr 27, 2017
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7 Min Read
byJeff Williams
Vulnerabilities & Threats
Why It’s Insane To Trust Static Analysis
Why It’s Insane To Trust Static Analysis
Sep 22, 2015
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6 Min Read
byJeff Williams
Application Security
What Do You Mean My Security Tools Don’t Work on APIs?!!
What Do You Mean My Security Tools Don’t Work on APIs?!!
Jun 25, 2015
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4 Min Read
byJeff Williams
Vulnerabilities & Threats
Why We Can't Afford To Give Up On Cybersecurity Defense
Why We Can't Afford To Give Up On Cybersecurity Defense
May 18, 2015
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6 Min Read
byJeff Williams
Application Security
Which Apps Should You Secure First? Wrong Question.
Which Apps Should You Secure First? Wrong Question.
Mar 5, 2015
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5 Min Read
byJeff Williams
Cyber Risk
What Government Can (And Can’t) Do About Cybersecurity
What Government Can (And Can’t) Do About Cybersecurity
Jan 22, 2015
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5 Min Read
byJeff Williams
Cyberattacks & Data Breaches
The New Target for State-Sponsored Cyber Attacks: Applications
The New Target for State-Sponsored Cyber Attacks: Applications
Dec 17, 2014
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4 Min Read
byJeff Williams
Application Security
The Staggering Complexity of Application Security
The Staggering Complexity of Application Security
Nov 10, 2014
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4 Min Read
byJeff Williams
Application Security
In AppSec, ‘Fast’ Is Everything
In AppSec, ‘Fast’ Is Everything
Oct 13, 2014
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6 Min Read
byJeff Williams
Application Security
An AppSec Report Card: Developers Barely Passing
An AppSec Report Card: Developers Barely Passing
Sep 19, 2014
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4 Min Read
byJeff Williams
Cybersecurity Operations
Why Your Application Security Program May Backfire
Why Your Application Security Program May Backfire
Jul 2, 2014
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6 Min Read
byJeff Williams
Application Security
The Only 2 Things Every Developer Needs To Know About Injection
The Only 2 Things Every Developer Needs To Know About Injection
May 22, 2014
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8 Min Read
byJeff Williams
Cyber Risk
The Real Wakeup Call From Heartbleed
The Real Wakeup Call From Heartbleed
Apr 16, 2014
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5 Min Read
byJeff Williams
Application Security
Flying Naked: Why Most Web Apps Leave You Defenseless
Flying Naked: Why Most Web Apps Leave You Defenseless
Mar 28, 2014
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5 Min Read
byJeff Williams
Application Security
The 7 Deadly Sins of Application Security
The 7 Deadly Sins of Application Security
Feb 6, 2014
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4 Min Read
byJeff Williams
Application Security
What Healthcare Can Teach Us About App Security
What Healthcare Can Teach Us About App Security
Jan 15, 2014
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4 Min Read
byJeff Williams
Application Security
Secure Code Starts With Measuring What Developers Know
Secure Code Starts With Measuring What Developers Know
Dec 19, 2013
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3 Min Read
byJeff Williams
Application Security
Application Security: We Still Have A Long Way To Go
Application Security: We Still Have A Long Way To Go
Nov 21, 2013
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4 Min Read
byJeff Williams

Editor's Choice

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Cyberattacks & Data Breaches
Top MITRE ATT&CK Techniques and How to Defend Against ThemTop MITRE ATT&CK Techniques and How to Defend Against Them
byNate Nelson, Contributing Writer
Apr 10, 2024
4 Min Read
A medical professional wearing scrub attire clicking on a screen in front of her
Cyberattacks & Data Breaches
Round 2: Change Healthcare Targeted in Second Ransomware AttackRound 2: Change Healthcare Targeted in Second Ransomware Attack
byDark Reading Staff
Apr 8, 2024
2 Min Read
A magnifying glass being held up in front of the apple logo
Vulnerabilities & Threats
Apple Warns Users in 150 Countries of Mercenary Spyware AttacksApple Warns Users Targeted by Mercenary Spyware
byDark Reading Staff
Apr 11, 2024
1 Min Read
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