Company record
Amentum CISO: Max Shier
The current Chief Information Security Officer (CISO) of Amentum, as tracked by CISO Tribune, is Max Shier, whose appointment was announced in the week of May 19, 2025 (SecurityWeek Industry Moves (week of 2025-05-19)). Previously VP and CISO at Optiv. Read the record. The record entered the Wire on .
What Amentum tells the SEC
Its fiscal 2025 Form 10-K, filed November 25, 2025, carries an Item 1C cybersecurity disclosure that describes a Chief Information Security Officer, with oversight by the board. Read the section verbatim or the filing on sec.gov. A filing describes governance as of its date, not today's seat.
Tracked by the Wire since May 19, 2025 · 1 recorded move · every claim links to a sourced record · Updated
Where Amentum appears on the record (2)
Every page on CISO Tribune and its network that carries this company, 2 in all.
- On the Wire
- SEC filing
- Form 10-K cybersecurity disclosure, fiscal 2025 · Item 1C, filed November 25, 2025
About Amentum
CISO Tribune's Leadership Bench files Amentum under Professional Services and North America. The SEC classifies it under standard industrial classification 7389, Services-business services, nec, and EDGAR lists its ticker as AMTM. The Wire has one security-leadership move at Amentum on record, announced in the week of May 19, 2025.
What Amentum's 10-K says about security governance
Amentum's fiscal 2025 Form 10-K, filed November 25, 2025, describes its cybersecurity governance in Item 1C. The lines below are that filing's own statements, each with the sentence it comes from.
Top security role, as the filing names it: Chief Information Security Officer.
Board oversight: the full board.
“The Board oversees the Company's risk management program, including the management of cybersecurity threats.”
Frameworks and standards the filing names: NIST SP 800-171.
Experience of the security leadership, as the filing states it:
“The CISO is a retired Air Force veteran who has served in various roles in information technology, information security and the U.S. Government for over 30 years.”
Material incidents: the filing states none.
“While we have not experienced a material impact on our business strategy, results of operations and/or financial condition resulting from cybersecurity threats or previous cybersecurity incidents, such events have the potential to have a material adverse effect on our business strategy, results of operations and financial condition, including by damaging or interrupting access to our information systems or networks, compromising confidential or otherwise protected information, destroying or corrupting data, or otherwise disrupting our operations.”
Plain-English reading and full text of the filing · the filing on sec.gov
Security leadership timeline
Security chiefs at other Professional Services organizations
Other organizations CISO Tribune files under Professional Services with a named security chief on record: those in North America first, in alphabetical order from Amentum onward.
Booz Allen Hamilton: Christopher Porter, Global Chief Information Security Officer.
Clio: George Totev, VP of Security and Chief Information Security Officer.
Guidehouse: Amy Howland, Chief Information Security Officer.
HireRight: Jim Desmond, Chief Information Security Officer.
IDC: Dave McKenna, Chief Information Officer and Chief Information Security Officer.
Iron Mountain: Larry Jarvis, Chief Information Security Officer.
KPMG / KPMG Americas: Steve Frank, Chief Information Security Officer (CISO).
Lexitas: Joe Giannetti, Chief Information Officer and Chief Information Security Officer.
Questions CISOs ask about Amentum
- Who is the CISO of Amentum?
- Max Shier is the current Chief Information Security Officer (CISO) of Amentum on CISO Tribune's record, appointed in the week of May 19, 2025.
- How many security-leadership moves has CISO Tribune tracked at Amentum?
- CISO Tribune has tracked 1 move at Amentum since May 19, 2025.
- When was Max Shier appointed at Amentum?
- Max Shier's appointment as Chief Information Security Officer (CISO) of Amentum was announced in the week of May 19, 2025, per SecurityWeek Industry Moves (week of 2025-05-19).
- Where did Max Shier work before becoming Chief Information Security Officer (CISO) of Amentum?
- The record of the appointment gives Max Shier's previous role as VP and CISO at Optiv.
- Who are the security chiefs at other Professional Services organizations?
- On CISO Tribune's record they include Christopher Porter at Booz Allen Hamilton, George Totev at Clio, Amy Howland at Guidehouse and Jim Desmond at HireRight.
- Which board body oversees cybersecurity at Amentum?
- Amentum's fiscal 2025 Form 10-K places oversight of cybersecurity risk with the full board.
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