- Is Open Information Security Foundation a tax-exempt 501(c)(3)?
- Yes. Open Information Security Foundation is recognised by the IRS as a 501(c)(3) organisation (EIN 26-3316567). The IRS recognised Open Information Security Foundation as tax-exempt in September 2010.
- What is Open Information Security Foundation's EIN?
- Open Information Security Foundation's Employer Identification Number (EIN) is 26-3316567. The EIN was assigned by the IRS in September 2010. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Open Information Security Foundation do?
- To build a next generational IDS/IPS engine which will remain free of use by any individual or organization. OISF will maintain and develop this software while providing training and support to its users.
- Where is Open Information Security Foundation located?
- Open Information Security Foundation is located at 250 Main Street Suite 590, Lafayette, IN, 47901.
- When was Open Information Security Foundation founded or recognised by the IRS?
- Open Information Security Foundation was recognised by the IRS as a tax-exempt organisation in September 2010. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Open Information Security Foundation's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Open Information Security Foundation reported $2.1M in total revenue and $1.7M in total expenses.
- Has Open Information Security Foundation been auto-revoked by the IRS?
- No. Open Information Security Foundation (EIN 26-3316567) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.
- Is Open Information Security Foundation listed in IRS Publication 78?
- Yes. Open Information Security Foundation is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.
