Data security and privacy firm Protegrity has named Michael Howard as its CEO. Prior to Protegrity, Howard served as CEO of MariaDB, and over the past three decades he held leadership roles at various Silicon Valley companies, including Oracle, Veritas Software, OuterBay Technologies, Ingrian Networks, FireEye, EMC, and C9.

Anand Ramanathan has been appointed as Chief Product Officer (CPO) at Deepwatch. He previously served as CPO at AirMDR and has held senior product and GTM leadership roles at McAfee, Skyhigh Security, Proofpoint, and Cisco.

Managed security platform provider Deepwatch has appointed Sammie Walker as Chief Marketing Officer (CMO). Before joining Deepwatch, Walker served as CMO at Zimperium and has also held CMO roles at Bugcrowd and Infoblox.

Ransomware protection firm Halcyon announced that Oliver Newbury has been named a Strategic Advisor. Newbury was previously the Global CISO for Barclays, and has also served as Chief Technology Officer for BTs Security Division.

Rob Greer has joined cloud-native network detection and response firm ExtraHop as CEO. An industry veteran with 30 years of experience, Greer previously held key roles at network security companies such as Blue Coat Systems, Forescout, HP Tipping Point, and SonicWall. Most recently, as general manager at Broadcom, he oversaw the merger between Symantec and Carbon Black. In his new position, Greer with work alongside Greg Clark, who transitions to Executive Chairman of ExtraHop’s board of directors.

Stephanie Crowe has been appointed the new Head of the Australian Signals Directorate’s Australian Cyber Security Centre (ACSC), which is the government’s technical authority on cybersecurity. Crowe has been with the ASD for 15 years, leading its technical advice and assistance programs for industry, and building the agency’s cyber threat intelligence capabilities.

Cloud security giant Wiz has named Fazal Merchant as President and Chief Financial Officer. Merchant has been tasked with leading Wiz’s financial strategy and helping the company prepare for an IPO. Merchant was previously co-CEO of Tanium and CFO of DreamWorks Animation SKG. He also held leadership roles at DirecTV.

Swiss cybersecurity and data protection company Acronis has announced the appointment of Gerald Beuchelt as its new Chief Information Security Officer (CISO). Beuchelt previously served as CISO at Sprinklr and LogMeIn, and also held leadership roles at Demandware and MITRE.

Adam Zoller has joined cybersecurity giant CrowdStrike as Chief Information Security Officer (CISO). Zoller previously held leadership roles at Providence, GE and Booz Allen Hamilton. He also served in the US Army and Department of Homeland Security for many years.

Ekta Singh-Bushell has been named the first Chief Operating Officer (COO) of industrial cybersecurity company Dragos. Singh-Bushell previously held leadership roles at the Federal Reserve Bank of New York and EY. She served as a board member for companies such as Cisco, Huron Consulting Group, Lesaka Technologies, ChargePoint, Designer Brands, and Datatec. At Dragos she previously served as chair of the Audit Committee on the company’s Board of Directors.

Threat data and intelligence firm Flashpoint has announced the appointment of David Lemon as the company’s President. Lemon, who joins Flashpoint after 17 years at Archer Integrated Risk Management, most recently as Chief Revenue Officer (CRO), will help the company further accelerate its growth.

Runtime security company Contrast Security has appointed Scott O’Rourke as Chief Revenue Officer (CRO). O’Rourke, who will oversee global sales, sales operations and revenue expansion, previously held leadership roles at ZeroFox, Trustwave, Interactions Corporation, Verizon, and AT&T.

Former NSA director Rob Joyce has joined venture capital firm DataTribe as a venture partner to help identify and grow early-stage startups focused on cybersecurity.

The Department of Defense (DoD) has named David McKeown as its first special assistant for cybersecurity innovation. McKeown will build and oversee a DoD CIO Cybersecurity Center of Excellence. McKeown previously served as DoD Deputy CIO for Cybersecurity and Chief Information Security Officer (CISO).

The DHS has appointed Amanda Day as Deputy Chief Information Security Officer (CISO), Deputy Executive Director. Day has held various leadership roles at the DHS for the past 16 years, including Branch Manager of the DHS Cyber Security Operations Center (SOC) and CISO for the Science & Technology Directorate. In the past she also held key positions at Customs and Border Protection.

Taiwan chip giant TSMC has named Cliff Hou as its Chief Information Security Officer, effective January 1, 2025. He has been promoted from the role of Senior Vice President and Deputy Co-COO at TSMC.