Logo
Search
Home
Archive
Login
Sign Up
Logo
Oliver Buchannon
R.K. Chidambaram

Securing AWS at scale. OSCP + AWS Security Specialty. Weekly Recon: one attack, one fix, Tuesdays.

cloud-security

+3

Your secrets webhook hands out its own token

Aug 4, 2026

•

6 min read

Your secrets webhook hands out its own token

One annotation redirects the client, and the webhook's own token goes with it

R.K. Chidambaram
R.K. Chidambaram

Detection Engineering

+2

Weekly Recon #10: Blind Spots

Jun 30, 2026

•

6 min read

Weekly Recon #10: Blind Spots

You defend what you can see. Three ways the cloud hides what's happening from you.

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #9: Untrusted by Invitation

Jun 16, 2026

•

5 min read

Weekly Recon #9: Untrusted by Invitation

The agent era moves trust to both ends of the wire: the skills you install run as untrusted code, the scanners that vet them are theater, and the agents attackers run find your bugs faster than you do.

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #8: Borrowed Trust

Jun 9, 2026

•

5 min read

Weekly Recon #8: Borrowed Trust

Attackers ride the primitives you already trust: a poisoned official Claude Code Action, your own AWS domains as C2, your coding agent's tool calls

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #7: Machine Speed

Jun 2, 2026

•

6 min read

Weekly Recon #7: Machine Speed

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #6: False Assurance

May 26, 2026

•

4 min read

Weekly Recon #6: False Assurance

Theme: False assurance failures, controls misread as boundaries

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #5: Hijacked Execution Context

May 19, 2026

•

4 min read

Weekly Recon #5: Hijacked Execution Context

Developers trust tooling that does not earn it. Three acts this week.

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #4: The patch window closed. The registry pushed back.

May 12, 2026

•

7 min read

Weekly Recon #4: The patch window closed. The registry pushed back.

Theme: Weaponization speed & identity blast radius

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #3: AuthZ said deny. The parser said yes.

May 5, 2026

•

3 min read

Weekly Recon #3: AuthZ said deny. The parser said yes.

Theme: Sandbox & Control-Plane Isolation

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #2: The identity acting is not the identity you think

Apr 28, 2026

•

3 min read

Weekly Recon #2: The identity acting is not the identity you think

Theme: Agent & Bot Identity

R.K. Chidambaram
R.K. Chidambaram
Weekly Recon #1: The agent runs under its own AWS role, not yours

Apr 21, 2026

•

3 min read

Weekly Recon #1: The agent runs under its own AWS role, not yours

Theme: Cloud & Agent IAM

R.K. Chidambaram
R.K. Chidambaram

Weekly Recon

Weekly defensive engineering for cloud, CI/CD, agents, Kubernetes, and software supply-chain security. One attack walked through. One detection idea. One defender move worth shipping.

© 2026 defensive.works Weekly Recon.
beehiivPowered by beehiiv