chore: add SECURITY.md (#1328)

* add SECURITY.md

Signed-off-by: Rano | Ranadeep <[email protected]>

* update SECURITY.md

Signed-off-by: Rano | Ranadeep <[email protected]>

* apply suggestions from code review

Co-authored-by: Greg Szabo <[email protected]>
Signed-off-by: Rano | Ranadeep <[email protected]>

* fmt

Signed-off-by: Rano | Ranadeep <[email protected]>

* original interchain text

* rm mention of bounty

---------

Signed-off-by: Rano | Ranadeep <[email protected]>
Signed-off-by: Rano | Ranadeep <[email protected]>
Co-authored-by: Greg Szabo <[email protected]>

Author: rnbguy

SECURITY.md

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+# Security Policy
+
+## Reporting a Security Vulnerability
+
+If you believe you have found a security vulnerability in the Interchain Stack,
+you can report it to our primary vulnerability disclosure channel, the
+[Cosmos HackerOne program][hackerone-bug].
+
+> [!NOTE]
+> The `ibc-rs` is **NOT** part of the rewards program. Any issues reported for
+> `ibc-rs` are not eligible for bounty rewards.
+
+If you prefer to report an issue via email, you may send a bug report to
+[email protected] with the issue details, reproduction, impact, and other
+information. Please submit only one unique email thread per vulnerability.
+
+<!-- Any issues reported via email are ineligible for bounty rewards. -->
+
+Artifacts from an email report are saved at the time the email is triaged.
+Please note: our team cannot monitor dynamic content (e.g. a Google Docs link
+that is edited after receipt) throughout the lifecycle of a report. If you would
+like to share additional information or modify previous information, please
+include it in an additional reply as an additional attachment.
+
+Please **DO NOT** file a public issue in this repository to report a security
+vulnerability.
+
+## Coordinated Vulnerability Disclosure Policy and Safe Harbor
+
+For the most up-to-date version of the policies that govern vulnerability
+disclosure, please consult the [HackerOne program page][hackerone-policy].
+
+The policy hosted on HackerOne is the official Coordinated Vulnerability
+Disclosure policy and Safe Harbor for the Interchain Stack, and the teams and
+infrastructure it supports, and it supersedes previous security policies that
+have been used in the past by individual teams and projects with targets in
+scope of the program.
+
+[hackerone-bug]: https://hackerone.com/cosmos?type=team
+[hackerone-policy]: https://hackerone.com/cosmos?type=team&view_policy=true