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Application Security

Exposed .git Directories and the Git Internals That Leak Your Source

Roughly 4.96 million IPs expose .git metadata today, and over 252,000 leak live credentials in .git/config — a 2018-era bug that never went away.

Jul 15, 20266 min read
DevSecOps

Does gamification actually make security training work?

picoCTF drew 18,000+ participants in 2025, but research shows points and badges boost engagement far more reliably than they change security behavior.

Jul 15, 20266 min read
Application Security

Implementing HSTS correctly in Node.js and Express

HSTS has one header and three flags, yet a misconfigured includeSubDomains or a premature preload submission can take a domain offline for months.

Jul 15, 20266 min read
Application Security

Implementing TLS in Java applications: keystores, trust managers, and protocol pinning done right

One overridden checkServerTrusted() method disables certificate validation for an entire Java app — and it still ships to production more often than most teams admit.

Jul 15, 20267 min read
Kubernetes Security

Default-deny NetworkPolicy: closing the pod-to-pod gap in Kubernetes

Kubernetes pods allow all traffic by default, and many clusters' NetworkPolicy YAML silently does nothing because the CNI plugin never enforces it.

Jul 15, 20266 min read
Kubernetes Security

Native Secrets, Sealed Secrets, or Vault: Picking a Kubernetes Secrets Strategy

Kubernetes Secrets are base64-encoded, not encrypted — etcd stores them near-plaintext unless you configure encryption at rest yourself.

Jul 15, 20266 min read
Application Security

Log injection attacks and how to stop forging your own audit trail

One unsanitized turns a log line into two, and a critical Log4j flaw with a CVSS score of 10.0 turned a log message into remote code execution.

Jul 15, 20265 min read
Application Security

RBAC vs. ABAC vs. ReBAC: choosing an access-control model for multi-tenant cloud apps

Google's Zanzibar paper (USENIX ATC 2019) showed relationship graphs authorizing access with sub-10ms latency at massive scale — here's when RBAC or ABAC beats it instead.

Jul 15, 20266 min read
Supply Chain Security

npm supply-chain attacks: typosquatting, dependency confusion, and postinstall malware

event-stream hid a wallet-stealing payload behind 8M downloads in 2018. Here's how typosquatting and dependency confusion actually work, and how to stop them.

Jul 15, 20266 min read
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