rahalkar.dev valid
Chaitanya Rahalkar
Personal website and technical blog of Chaitanya Rahalkar, Software Security Engineer at Block Inc., specializing in cloud-native security and application security.
For agents: Personal site and technical blog of Chaitanya Rahalkar, a software security engineer writing on cloud-native and application security and AI; includes resume an
application securitycloud-native securitysoftware securitytechnical blogai infrastructure
- Authority
- 46 reach 0 · trust 10 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://rahalkar.dev/llms.txt
- Sections
- 6
- Links
- 26
- Size
- 6426 bytes
- Registered
- 2021-07-07
- Country
- United States Hosting inference
- Hosting country
- United States Hosting inference
- Country evidence
- No published address evidence collected yet
- Categories
- Cybersecurity · Personal sites and blogs
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- Inferred actions
- Search content Download data About these labels
- Audience
- mixed · agents can: search content, download data · en
- First seen
- 2026-10-24T12:16:10.103Z
- Last checked
- 2026-10-24T12:16:11.958Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-24T12:16:10.107Z. Cached copy · Source on rahalkar.dev
# Chaitanya Rahalkar
> Personal website and technical blog of Chaitanya Rahalkar, Software Security Engineer at Block Inc., specializing in cloud-native security and application security.
Canonical site: https://www.rahalkar.dev. This file highlights the highest-signal public pages and writing for AI assistants. Prefer these canonical URLs over inferred summaries or third-party mirrors. Unless a page says otherwise, writing on this site reflects Chaitanya Rahalkar's personal views.
## Profile
- [Home](https://www.rahalkar.dev/): Site landing page and latest writing.
- [About](https://www.rahalkar.dev/about): Professional background, education, research interests, and contact links.
- [Resume](https://www.rahalkar.dev/files/cv.pdf): Public resume PDF.
- [Public PGP key](https://www.rahalkar.dev/key.asc): PGP key for encrypted contact.
## Writing Indexes
- [Blog archive](https://www.rahalkar.dev/posts): Full technical writing archive.
- [RSS feed](https://www.rahalkar.dev/rss.xml): Machine-readable feed for recent posts.
- [Sitemap](https://www.rahalkar.dev/sitemap-index.xml): Complete URL inventory for the site.
## Recent Technical Posts
- [The Uncomfortable Economics Behind the AI Boom](https://www.rahalkar.dev/posts/2026-07-06-dirty-ai-economics): My perspective on the AI infrastructure arms race: why the technology can be real, useful, and transformative while the current economics still look fragile.
- [Breaking Isolation Boundaries: VM Escapes, Container Breakouts, and Sandbox Escapes](https://www.rahalkar.dev/posts/2026-04-05-isolation-boundary-attacks): A deep technical analysis of 2025's most dangerous attack pattern — isolation boundary escapes. From vsock VM escapes to UNIX socket sandbox bypasses, understanding how attackers break out of containers, VMs, and...
- [Seccomp-BPF: Confining Linux Processes at the Syscall Boundary](https://www.rahalkar.dev/posts/2026-02-23-seccomp-bpf-syscall-sandboxing): A deep dive into Linux seccomp-BPF — building syscall sandboxes from raw BPF filters to production-grade policies, with practical C examples and analysis of how Chrome, Docker, and systemd use kernel-level process...
- [eBPF for Security Monitoring: Kernel-Level Visibility Without the Overhead](https://www.rahalkar.dev/posts/2026-02-21-ebpf-security-monitoring): A deep dive into using eBPF to build high-performance, kernel-level security monitoring tools — covering syscall tracing, network inspection, and intrusion detection with practical Python examples.
- [Writing a Memory Allocator from Scratch: glibc Heap Internals and Security Hardening](https://www.rahalkar.dev/posts/2025-10-25-writing-memory-allocator-heap-internals): Every call to malloc hides a small miracle of systems engineering. In the time it takes your program to allocate 16 bytes, glibc's heap allocator has consulted a multi-tiered bin system, potentially synchronized across...
- [How to Build Your Own Local AI: Create Free RAG and AI Agents with Qwen 3 and Ollama](h
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