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John N. Stewart

Senior Vice President

Chief Security & Trust Office

John N. Stewart formed and leads Cisco’s Security and Trust Organization, which underscores the company’s commitment to address two of the most critical and top-of-mind issues for boardrooms and world leaders alike. Under Stewart’s leadership, the organization’s core missions include protecting Cisco’s public- and private-sector customers, enabling and ensuring Cisco Secure Development Lifecycle and Trustworthy Systems efforts across the company’s portfolio, and leadership in data protection and privacy, trust and assurance, and cybersecurity efforts with governments globally.

Throughout his 25-year career, Stewart has led or participated in widely ranging security initiatives from IT design for elementary schools to national security programs. He is a Board Director for ReFirm Labs and SpyCloud, special advisor to the Board of Directors for Focal Point, RedSeal, and NSX, llc. (LSE: NSX) and is on the Syracuse University’s College of Engineering Dean’s Leadership Council. Stewart previously served on the Australian Department of the Prime Minister and Cabinet Cyber Security Review panel, the Cybersecurity Think Tank at the University of Maryland University College, and the CSIS Commission on Cybersecurity for the 44th United States Presidency. During his career, Stewart has served on the Board of Directors for Fixmo, Koolspan, the National Cyber-Forensics and Training Alliance (NCFTA), RiskSense, Shadow Networks, and Shape Security. He has been on advisory boards for Akonix Systems, Anomali, Area 1 Security, BlackStratus, Cloudshield Technologies, Finjan Holdings, Ingrian Networks, Nok Nok Labs, Riverhead Networks, and TripWire.

Stewart, a highly sought public and closed-door speaker who leads an organization that is well-recognized across the industry, keynoted RSA Conference USA 2018. In 2017, the International Business Awards (Stevie Awards) and the Golden Bridge Awards honored the Cisco Security and Trust Organization as IT Team of the Year and Management Team of the Year, respectively, with Stewart also winning a ‘Stevie’ as an Innovator of the Year in Computer Services and Software. Additionally, Stewart won the 2017 Ada Award for his vision of a Trust-Based Ecosystem of Technologies, Process and People. In the past three years, Stewart and his team have received numerous industry awards, including Info Security Products Guide Global Excellence Award for Security Organization of the Year (2016); as well as RSA’s Award for Excellence in Information Security (2015), the Global Golden Bridge Award for CISO of the Year (2014), and the CSO 40 Silver Award for Chief Security Officer of the Year (2014) for Stewart individually.

Stewart has a Master of Science degree in computer and information science from Syracuse University.

Articles

December 12, 2012

SECURITY

Network Attacks: The Who, What, Where and Why

As security practitioners, we generally see three types of perpetrators with different motives: Financial Political General trouble-making Each of these attackers can display various levels of organizational structure: Individual Well-organized, persistent group Ad-hoc groups pursuing a common purpose Each one of these subsets has their own techniques and goals, but unfortunately, can strike anywhere at […]

November 30, 2012

SECURITY

Cyber Security Survival for the Holidays

A couple of days ago, I participated in a Social Video Broadcast about cyber security survival tips for the holiday season. Some of my advice is familiar. Use stronger passwords, apply the “smell test” to too-good-to-be-true on-line offers, read the manual—especially the parts about account set up and security—when turning on a new device. Others […]

November 26, 2012

SECURITY

Live Broadcast: John N. Stewart to Discuss Cyber Security for the Holiday Season

The National Retail Federation predicts that Holiday Shopping this year will grow to $586.1 billion, with a record percentage of those purchases occurring online and from mobile devices. As more shoppers make purchases online and on their mobile devices, Cyber Monday is fast becoming Mobile Monday, opening up a variety of new threats and challenges […]

November 14, 2012

SECURITY

Return of the DDoS Attack

One of the greatest threats to Internet service is Distributed Denial of Service (DDoS) attacks which can paralyze ISPs and disrupt traffic to and from targeted websites. For years now, DDoS attacks have dropped down the IT security priority list as topics such as IP theft took center stage. Recently however, DDoS attacks targeting organizations […]