Things I build, break, fix, and write about

7 July 2026
Tracing acme.sh certificate handling in TLS interception

I spent too long chasing the neat version of TLS wiretapping reconstruction, then found the mess: shell parsing, token limits, and renewal timing. The interesting bit is not the packet capture, it is the point where certificate handling quietly hands trust to something you did not mean to trust.

7 July 2026
Reverse engineering game binaries with static analysis

Game binaries give up more than they should, if you know where to look. I start with binary analysis, not the folklore around the game, then use...

6 July 2026
Agentic AI still needs domain judgement

Agentic AI can write the thing, but it still cannot tell you whether the thing is right. That is where domain expertise matters, because a clean...

6 July 2026
Weekly Tech Digest | 06 Jul 2026

Stay updated with the latest in tech! This digest covers AI ethics, auto industry shifts, and the impact of politics on technology, exploring today's...

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3 July 2026
Spotting API access in DDoS-as-a-Service panels

DDoS-as-a-Service platforms rarely hide what they are doing; the panel, the payment flow, and the API tend to sit out in the open. I pay more attention to the selling machinery than the noise, because...

2 July 2026
23andMe breach notification gaps and account risk

23andMe breach notification gaps are the part that still bothers me, because people were left guessing whether they had a password problem or something much wider. If you reused a login anywhere,...

2 July 2026
Malware delivery through chatgpt.com/s links

ChatGPT share links can look boringly legitimate, which is exactly the problem. Once a trusted domain starts rendering attacker-controlled HTML, I stop trusting the address bar and start checking...

1 July 2026
cifs.upcall root trust and NSS lookup risk

A forged `cifs.spnego` request should die in the kernel, but on affected builds it reaches root-owned helper code instead. The ugly bit is `cifs.upcall`, where CIFS authentication key descriptions can...

1 July 2026
Harden PAN-OS by disabling auth override cookies

PAN-OS GlobalProtect authentication bypass is not a clever trick, it is a trust error with a neat finish. I prefer the boring fix, disable auth override cookies, then check the portal and gateway...

30 June 2026
Conditional access still anchors ZTNA policy

Zero Trust Network Access looks tidy until you test the policy against a failed identity provider, a stale token, or a changing location. I have seen too many setups where conditional access does all...

30 June 2026
ZTNA access policies for self-hosted services

ZTNA access policies only work when I treat the service, not the subnet, as the thing being protected. Once you start drawing the boundary around the app, rather than the VLAN, the gaps show up...

29 June 2026
Persisting federated users in AWS Cognito

AWS Cognito writes the user record before most people notice the decision point has gone, so I keep the real check in AWS Cognito PreSignUp_ExternalProvider. Anything later is tidying up after the...

29 June 2026
fits_open_file can copy arbitrary paths before validation

CFITSIO Extended Filename Syntax is the bit that makes me distrust a filename on sight. If `fits_open_file` gets attacker input, it can copy, fetch, or touch paths before FITS validation even starts,...

29 June 2026
Weekly Tech Digest | 29 Jun 2026

Stay updated with the latest in tech! This digest covers AI ethics, auto industry shifts, and the impact of politics on technology, exploring today's pressing issues.