Barbara Massa has joined AI-native cybersecurity company Armadin as Chief Operating Officer (COO). Most recently, Massa was a Senior Partner and COO at NightDragon. Previously, she served as Executive VP and Chief of Business Operations at Mandiant.

Digital financial services platform Nubank has named John Walton as Chief Information Security Officer (CISO). Walton previously served as Deputy CISO and VP of enterprise security at Electronic Arts (EA), and held various senior leadership roles at Microsoft, including VP of security engineering.

AI security platform Reco has appointed Zoe Hillenmeyer as Chief Operating Officer (COO). Hillenmeyer most recently led commercial and marketing at Protect AI and previously held leadership positions at AWS, IBM, and Peak AI.

Opal Security has announced five leadership appointments: Sameer Mehta as Chief Product Officer (CPO), Alex Pien as Chief Technology Officer (CTO), John Clark as Vice President (VP) of Field Engineering, Michael Kwon as VP of Marketing, and Christine Ooley as Head of Product and Solutions Marketing. Previously, Mehta led product management at Veza and Citrix; Pien was promoted to CTO from staff software engineer; Clark led engineering for Cisco, Valtix, ThousandEyes, and Riverbed Technology; Kwon led marketing for Bretton AI, Spot AI, Clumio, and Redis; and Ooley held leadership marketing positions at Salesforce and Box.

The Department of the Air Force has appointed Ashley Devoto as Chief Information Officer (CIO). Devoto most recently served as CISO at Discount Tire. Previously, she held security leadership positions at CISO Global and Booz Allen Hamilton, and served as a cyber operations officer in both Active Duty and the Air Force Reserve.

Bartley Richardson has been named Chief AI and Autonomous Systems Officer at CrowdStrike. Richardson most recently led engineering for agentic AI, cybersecurity AI, and AI infrastructure at Nvidia.

AI security platform Cyera has appointed Naveen Palavalli as Chief Marketing Officer (CMO). Most recently serving as CMO for Forcepoint, Palavalli previously held leadership positions at Netskope, McAfee, and Symantec.

Connie Devine has been promoted to Chief Information Security Officer (CISO) at Phillips 66, replacing Michael Morgan. After serving as Deputy CISO for the company for over a year, Devine will become CISO on June 1. Previously, she held various positions at Excelerate Energy, ExxonMobil, and Honeywell.

Jeff Lunglhofer has become Chief Security Officer (CSO) at digital currency wallet and platform Coinbase, replacing Philip Martin, who is leaving the company. A member of Crypto ISAC’s Board of Directors, Lunglhofer most recently served as CISO at Coinbase. Previously, he was CISO at Bank of New York Mellon (BNY Mellon) and led Booz Allen Hamilton’s Commercial Cyber Financial Services and Cross-Sector Incident Response (IR) Practices.

Supriya Ahuja has been appointed Acting Deputy Chief Information Security Officer (CISO) at the Department of Homeland Security (DHS). Ahuja initially joined DHS in 2019 as Cybersecurity Compliance and Risk Program Manager, and rejoined in 2024, serving as Chief of Cybersecurity Risk Reporting and Analysis Branch, Director of Cybersecurity Risk Operations, and Deputy CISO. Previously, she was a cybersecurity manager at the US Immigration and Customs Enforcement (ICE) and served in various positions at Knowledge Consulting Group, Project Performance Corporation, and USPTO.

Apiiro has announced the appointment of Wes Dobry as Field Chief Technology Officer (CTO). Before joining Apiiro, Dobry held leadership positions at Eclypsium, IGEL Technology, Agari, and AppSense.

Rapid7 (NASDAQ: RPD) announced that Wael Mohamed will assume the role of Chief Executive Officer. Current Chief Executive Officer Corey Thomas will become Executive Chairman of the Board, effective immediately. Mohamed has been on the Rapid7 board since 2025 and previously served as CEO of Forescout.

Zero Trust for Code provider CodeHunter has appointed Anurag Jain as Senior Vice President (SVP) of Engineering. Previously, Jain served as VP of Engineering at Diliko.ai and as SVP of Engineering at OPAQ Networks (acquired by Fortinet), and held engineering leadership roles at WebMD.

Integrated data intelligence firm CTERA has appointed Tal Sarfaty as Senior Vice President (SVP) of Cybersecurity. Sarfaty previously served as SVP and head of cybersecurity innovations at Citi, and in various positions at Promisec, SofaWare, and Expand Networks.

Quantum Secure Encryption has announced the appointment of Michael Massing as Chief Technology Officer (CTO). Previously, Massing served as CTO and VP of Engineering at TokenX Labs and LifeSite Inc., as Executive Director of Engineering at Dell SonicWall, and founded SecureCom Networks (acquired by SonicWall) and Mass Technology Inc.

Ryan Donaghy has rejoined the US cybersecurity agency CISA as its first Chief Operating Officer (COO). Donaghy initially joined CISA in 2016, serving in various leadership roles, most recently as Deputy Assistant Director for Stakeholder Engagement. Before CISA, she was a college professor.