Cyber exposure management firm Armis has promoted Alex Mosher to President. Mosher has been with Armis since 2021, most recently serving as Chief Revenue Officer (CRO). Prior to Armis, Mosher held leadership roles at MobileIron and CA Technologies.

Software giant Atlassian has appointed David Cross as its new Chief Information Security Officer (CISO). Prior to Atlassian, Cross served as Senior Vice President and Chief Information Security Officer at Oracle. He previously held security leadership roles at Google and Microsoft.

Dan Pagel has been named the new CEO of risk management and remediation firm Brinqa. Amad Fida, the company’s founding CEO, has transitioned to the role of Chairman of the Board. Pagel most recently served as CEO of Playvox, and previously held leadership roles at Britive, NetMotion, and MobileIron.

The City of Phoenix has promoted Mitch Kohlbecker to the role of Chief Information Security Officer (CISO). For nearly five years, Kohlbecker has served as the city’s Deputy CISO. Prior to joining the city, Kohlbecker held CISO and other leadership roles at education, government, and non-profit organizations, as well as Fortune companies.

Deep observability solutions provider Gigamon has promoted Tony Jarjoura to Chief Financial Officer (CFO) and has hired Ram Bhide as Senior VP of Engineering. Jarjoura joined Gigamon in 2020 and has held the positions of VP of revenue operations, VP of finance and corporate controller, and interim CFO. Prior to Gigamon, he served as senior manager at EY. Prior to Gigamon, Bhide was associate VP of software engineering at Arista Networks.

Cloud security firm Mitiga has appointed Charlie Thomas as Chief Executive Officer. He previously served as founding Chief Executive Officer of Deepwatch.

Cybersecurity platform provider Cynet announced the appointment of Jason Magee as Chief Executive Officer. Magee formerly served as CEO of ConnectWise. He succeeds Cynet Founder and former CEO Eyal Gruner, who will join Cynet’s Board of Directors and serve as a strategic advisor for Cynet’s executive team.

Cloud identity management solutions firm Saviynt announced that Ajay Garg has joined as Chief Development Officer. Garg joins Saviynt from Palo Alto Networks, where he served as Vice President of Engineering. Garg previously held engineering leadership roles at CyberCube, FireEye and Cisco Systems.

Penetration testing and offensive security firm Cobalt has named Gunter Ollmann as its Chief Technology Officer (CTO). Prior to Cobalt, Ollmann served as Chief Security Officer at Vectra Networks, CTO at IOActive, CTO at Devo, and CSO of Microsoft’s Cloud and AI Security division.

Data security company Cyberhaven has named Chris Bates as its Chief Security Officer (CSO). Prior to joining Cyberhaven, Bates held cybersecurity leadership roles at SentinelOne, Nike and Fidelis Cybersecurity.

MorganFranklin Cyber, a newly independent cybersecurity practice backed by private equity firm M|C Partners, has appointed Keith Hollender as Chief Executive Officer (CEO) and member of the Board of Directors. The board also appointed Pete Schile as President and Chairperson of the Board. Hollender, Schile and newly appointed Senior Partner Jonah Dimeo are co-founders of the business.

Human behavior security company Abnormal Security has appointed Lisa Banks as Chief Financial Officer (CFO). Prior to Abnormal Security, Banks served as CFO at SpotOn, Senior Vice President of Finance at ServiceNow, and held various finance roles at Cisco, MarketWatch and Ernst and Young.

Threat detection and response company Trellix announced that Vishal Rao has been appointed to succeed Bryan Palma as the company’s next CEO. Rao will also continue to be the CEO of Skyhigh Security, which he has been leading since March 2024.

Devon Bryan has been appointed Global Chief Security Officer at Booking Holdings, the travel technology company that owns major brands such as Booking.com, Priceline, KAYAK, OpenTable, Rentalcars.com and Agoda. He previously served as Global CISO at cruise giant Carnival Corporation.

Karl Triebes has joined Ivanti as Chief Product Officer (CPO). Triebes previously held leadership roles at major tech and cybersecurity companies such as Forcepoint, AWS, F5, and Imperva.

Steven Hernandez has joined the United States Agency for International Development (USAID) as CISO and Deputy CIO. Hernandez previously served as CISO at the Department of Education and the Department of Health and Human Services. He is also Co-Chair of the United States Federal Chief Information Security Officer Council at the Office of Management and Budget.