Case Studies

Real security problems, what was found, what was done, and what changed afterwards.

114,000 files were encrypted but the database survived
Mainland ChinaAlibaba Cloud ECS36 hours

114,000 files were encrypted but the database survived

How I recovered a hacked production server, saved the client's data, and rebuilt the entire system from scratch.

Read the case study
680,000 real readers were challenged while the attackers were not
BrazilCloudflare CDN + WAF12 days

680,000 real readers were challenged while the attackers were not

How I replaced a blunt WAF response with targeted protection and recovered the cache performance of a high-traffic news site.

Read the case study
Active Magento attacks bypassed the existing WAF
AustraliaCloudflare WAF + Bot Protection~3 weeks

Active Magento attacks bypassed the existing WAF

How I audited 7 Cloudflare zones, stopped active Magento exploitation attempts, and cut unwanted bot traffic by 70%.

Read the case study
Patient data was exposed through a wide open public S3 bucket
IndiaAWS S3 SecuritySingle session

Patient data was exposed through a wide open public S3 bucket

How I discovered a public healthcare S3 bucket exposing patient records, verified the exposure safely, and delivered a responsible-disclosure report.

Read the case study
An IIS memory leak allowed the Cloudflare WAF to be bypassed
IndiaIIS 8.0 + Cloudflare WAFSingle session

An IIS memory leak allowed the Cloudflare WAF to be bypassed

How I reproduced a critical IIS 8.0 HTTP.sys memory disclosure and proved that exposed origin IPs could bypass Cloudflare WAF.

Read the case study
WordPress was locked down and Cloudflare was fixed end-to-end
InternationalCloudflare WAF + Zero Trust2 days

WordPress was locked down and Cloudflare was fixed end-to-end

How I configured Cloudflare across DNS, WAF, SSL, DDoS protection and Zero Trust Access, while repairing broken migration records.

Read the case study
A single entry point caused a year of reinfections with over 383 malware files
Spanish-speaking marketWordPress Security & Malware Cleanup7 days

A single entry point caused a year of reinfections with over 383 malware files

How I cleaned 7 WordPress sites, closed the original entry point, and hardened the entire shared-hosting account.

Read the case study