add topic to primary readme. reference black hat talk.

README.md

@@ -11,6 +11,10 @@ At GitLab one of our six [core values](https://about.gitlab.com/handbook/values/
 * [Escalating Privileges & Plundering GCP](https://about.gitlab.com/blog/2020/02/12/plundering-gcp-escalating-privileges-in-google-cloud-platform/)
 * [Privilege Escalation in Google Cloud Platform's OS Login](/oslogin-privesc-june-2020/)
 
+### Talks
+
+* [Black Hat USA 2020 - Token-Hunter and gitrob:  Hunting for Secrets](./blackhat2020-hunting-for-secrets/)
+
 ### Tools
 
 * [GitRob](https://gitlab.com/gitlab-com/gl-security/gl-redteam/gitrob)

blackhat2020-hunting-for-secrets/README.md

+## Black Hat USA 2020 - Arsenal - Token-Hunter and gitrob:  Hunting for Secrets
+
+Contains slides and other artifacts from Greg Johnsons' talk on hunting for secrets with new tool, [Token-Hunter](https://gitlab.com/gitlab-com/gl-security/gl-redteam/token-hunter), and a modified version of [gitrob](https://gitlab.com/gitlab-com/gl-security/gl-redteam/gitrob).
+
+- [Talk Slides Download](./BH-USA2020-Arsenal-HuntingForSecrets.key)
+- [Talk Outline and Notes](./bh-2020-talk-outline.txt)
+