Write to us.

Helpful to include

• Which product you are asking about.
• Your organization, if any, and what you need it to do.
• Whether files you work with are subject to handling rules, such as CUI. Please do not send sensitive files or their contents by email.

Security reports

To report a security problem in Hashit or WITNESS, email the same address with the word Security in the subject, and include the exact input or steps that show the problem.