August 4, 2025 - Cybersecurity Ventures estimates there are now at least 32,000 CISOs employed worldwide. Press Release · The good news is that most large organizations have a CISO. The bad news is that most small businesses, and far too many mid-sized companies, ...

September 15, 2025 - Cybercrime Magazine podcast featuring David Jemmett, discussing recent trends in CISOs worldwide. Cybersecurity Ventures estimates that there are 32,000 chief information security officers (CISOs) employed globally in 2023.

March 20, 2017 - Spearheaded by thought-leadership innovators HotTopics.ht, and sponsored by application delivery and security experts F5 Networks, the list features 100 CISOs from a wide range of industries worldwide.

For this report, Heidrick & Struggles ... of 354 CISOs around the world. Most carried the title of chief information security officer, but respondents also include deputy chief information security officers, chief security officers, and senior ...

April 21, 2026 - Despite decades of progress and the near-universal adoption of CISO positions in Fortune 500 and Global 2000 companies, there are still only 35.000 CISOs worldwide, serving an estimated 359 million businesses.

March 23, 2026 - In 2026, nearly every Fortune 500 ... security officer on staff. Cybersecurity Ventures estimates that there are 35,000 chief information security officers employed worldwide in 2026, up minimally from 32,000 in 2023....

March 23, 2026 - In 2026, nearly every Fortune 500 ... on staff. Cybersecurity Ventures estimates that there are 35,000 chief information security officers employed worldwide in 2026, up minimally from 32,000 in 2023....

March 8, 2018 - Hot Topics, in partnership with F5 Networks, has therefore chosen to identify and celebrate the top Chief Information Security Officers (CISOs) globally, resulting in this final top 100 CISOs list.

October 17, 2023 - CISOs enjoyed a significant bump up in their ranks this year: 65% of organizations have CISOs, versus 50% last year, according to the second installment of ISACA's 2017 State of Cyber Security Study, released today.

Source: Heidrick & Struggles’ global chief information security officer (CISO) survey, 2023, n = 163 information security professionals · Note: Numbers may not sum to 100%, because of rounding.

November 18, 2024 - According to Cybersecurity Ventures, 100 percent of Fortune 500 companies employed a CISO or an equivalent role in 2023, up from 70 percent in 2018, with at least 32,000 CISOs working globally and more than 7,500 in the U.S.

For this report, Heidrick & Struggles ... in Spring 2022 of 327 CISOs around the world. Most carried the title of chief information security officer, but respondents also include chief security officers and senior information security executives. The numbers of respondents varied ...

CISO Global number of employees from 2019 to 2025. Number of employees can be defined as a measure of financial performance calculated as operating cash flow minus capital expenditures, expressed on a per share basis

May 29, 2025 - ... Experiencing a breach? Get immediate help. ... Cybersecurity Ventures estimates that there are around 35,000 chief information security officers (CISOs) employed worldwide in 2026, ...

world’s first CISO began his tenure. The 2001 Code Red worm that targeted Microsoft · servers was one of the first security incidents which · required businesses to take heed of cyberattacks as · an operational risk. 4 · 2023 CISO HEADCOUNT REPORT · THE CISO ROLE · The internet chaos caused by this stack buffer · overflow exploit was followed by the 2005 TJX · Companies data breach, exposing the credit card · numbers of over 40 million customers.

November 18, 2024 - Fortune 500 CISOs. PHOTO: Cybercrime Magazine. Posted at 14:54h in Research by Cybercrime Magazine · The chief information security officer role dates back to 1994, when financial services giant Citigroup (then Citicorp, ranked 17th on the Fortune 500 at the time) set up a specialized ...

Note: Numbers may not total 100% due to rounding. Source: Heidrick & Struggles’ global chief information security officer (CISO) survey, 2024, n = 354

May 4, 2025 - Analysis of Fortune 500 CISOs to be published in 2020 Sponsored by SPARQ Global

March 17, 2026 - According to Accenture, the role of the CISO was officially inaugurated in 1995 when Steve Katz assumed this position at Citigroup. This is more than just a historical footnote; it represents a monumental shift in cybersecurity governance. Additional data from Gartner shows that since Katz’s pioneering move, the number of CISOs in Fortune 500 companies has grown by over 300%, highlighting the increasing organizational acknowledgment of cybersecurity leadership.