Sophos has named Jessica Newman as General Manager of Global Cyber Insurance. Prior to joining Sophos, Newman held leadership roles at Acrisure Cyber Services, Cowbell, and DarkOwl.

Breach and attack simulation solutions provider AttackIQ has appointed Pete Luban as Field Chief Information Security Officer. Prior to AttackIQ, Luban served as Vice President and Head of Cybersecurity and IT Risk at Dimensional Fund Advisors. He also held roles at Bridgewater Associates, Netflix, Google, and Yahoo.

Security and threat intelligence company Silobreaker appointed Geoff Brown as its new Chief Executive Officer. Brown replaces Silobreaker founder Kristofer Mansson, who is retiring from the CEO role after 20 years. Mansson is taking on the role of Chairman. Brown previously served as President and Chief Operating Officer of Arete, VP of Global Intelligence Platforms at Recorded Future, and New York City Cyber Command Head and Chief Information Security Officer (CISO).

Matthew Cowell has assumed the role of Vice President of Strategic Alliances at industrial cybersecurity firm Nozomi Networks. He previously served in the same role at Dragos.

Bret Arsenault announced that he is retiring from his full-time role after 35 years at Microsoft. For more than 14 years, Arsenault served as Chief Information Security Officer (CISO) and most recently held the role of Corporate Vice President and Chief Cybersecurity Advisor. Arsenault brought significant contributions to Microsoft projects such as Trustworthy Computing and the Secure Future Initiative (SFI).

Social engineering defense platform Doppel has appointed Bobby Ford as Chief Strategy and Experience Officer. Ford previously served as CISO at Abbott Labs, CISO at Unilever, and most recently SVP and Chief Security Officer at Hewlett Packard Enterprise. In addition to Ford, Doppel announced naming Alex Hu as VP of Finance and Alyssa Smrekar as SVP of Marketing.

Audit, compliance and risk management software provider AuditBoard announced the appointment of Raul Villar Jr. as its new Chief Executive Officer (CEO). Villar previously served as CEO at human capital management software company Paycor.

Casie Antalis has been named program director of the Joint Cyber Coordination Group at the Cybersecurity and Infrastructure Security Agency (CISA). Antalis has held leadership positions within the US government for more than a decade, including at the White House, Customs and Border Protection, and most recently the Department of Homeland Security. 

Patrick Ware has been appointed the Executive Director of the United States Cyber Command following the departure of Morgan Adamski. Ware has been a senior executive at the National Security Agency (NSA), where he has been involved in offensive and defensive missions for 34 years.

Security-by-design firm Security Compass has announced the appointment of Joe Deklic as Chief Revenue Officer (CRO), to oversee all sales and pre-sales, and spearhead global revenue generation. With more than 20 years of experience, Deklic previously held leadership roles at Cisco Canada, Forcepoint, Check Point, and Okta.

Real-time information discovery platform Dataminr has appointed Tiffany Buchanan as Chief Financial Officer (CFO). In her new role, she will focus on scaling the company’s financial operations and preparing it for new capital market opportunities. Previously, Buchanan served as SVP of Finance & Capital Markets at CrowdStrike, leading financial development for 13 years.

Cybersecurity firm Forescout has promoted Rob Amezcua as Chief Revenue Officer (CRO) and has named Joe Malenfant as Vice President (VP) of Product Marketing. Amezcua joined Forescout more than four years ago, serving as SVP, WW Sales. Previously, he was VP of Sales at Broadcom’s Enterprise Software Division. Prior to Forescout, Malenfant held senior product marketing roles at Trellix, Ping Identity, Vectra AI, and Cisco.

Autonomous endpoint management provider Tanium has appointed Tara Ryan as its Chief Marketing Officer (CMO). In her new role, Ryan will oversee the company’s brand, marketing, and global communications. Previously, she served as CMO at Saviynt and Contrast Security. She also handled marketing for Proofpoint, Coupa, and NetSuite during their IPO growth phases.

Cigent, a provider of secure storage solutions for edge devices, has appointed Brett Hansen as its Chief Executive Officer (CEO). Hansen, who served as the company’s Chief Operating Officer (COO), will focus on accelerating Cigent’s go-to-market efforts through new partnerships. Prior to Cigent, he served in various leadership roles at Dell Technologies and high-growth SaaS companies.

Tom Corn has been appointed Executive Vice President and General Manager of the Threat Protection Group at Proofpoint. Prior to joining Proofpoint, Corn held leadership roles at companies such as Ontinue, Open Systems, VMware and RSA.

Managed detection and response (MDR) provider Blackpoint Cyber has appointed Gagan Singh as its new Chief Executive Officer (CEO). Singh previously held leadership roles at antimalware companies such as McAfee, Norton, and Avast. Blackpoint Cyber’s founder, Jon Murchison, who until now served as CEO, has transitioned to the role of Executive Chairman.