About OTC CatchUp

Note OTC CatchUps are weekly informal sessions involving project showcases and technical discussions. They are held every Saturday from 10:30 PM IST. Join in!.
For all summaries, please visit catchup.ourtech.community/summary.

OTC CatchUp #262

Date: 15-11-2025

Duration: 2 hrs 30 mins

Topics Discussed

  • Janvi Matani asked for advice on finding internships as a 2nd year IT student.

    • Suyash and others suggested targeting small startups and reaching out directly to founders on LinkedIn rather than relying on job portals like Internshala.

  • Rehan Shaikh talked about his work as a junior penetration tester at TCS in the BFSI (Banking, Financial Services and Insurance) vertical.

    • Discussed the freedom in his team checking in, checking out, and working independently on pen testing projects.

  • Alpesh Bhagwatkar mentioned the new Android PixNapping vulnerability (CVE-2025-48561).

    • It’s a hardware-based vulnerability where malicious apps can steal OAuth keys without user interaction by layering intents.

    • Google decided not to fix it until 2026.

    • PixNapping Attack Blog

  • Discussion about NSO’s Pegasus spyware and the incredible techniques used.

  • Discussion about vibe coding with brain waves.

  • Rehan shared about the Operating System series by Adhokshaj Mishra.

    • Back to basics lectures covering OS fundamentals, focusing on understanding why certain designs were chosen rather than just definitions.

    • Adhokshaj has built his own OS and created a programming language in Sanskrit.

    • OS Introduction Series

    • Adhokshaj Mishra’s LinkedIn

  • Jaden explained what eBPF is.

    • It’s like an API for running code at the kernel level, allowing operations that would normally require kernel drivers.

    • Useful for network packet filtering and kernel-level operations without the overhead of traditional syscalls.

  • Discussion about the difference between syscall wrappers (glibc) and actual syscalls.

    • Glibc wrappers like open() use variadic arguments (the …​ syntax in C) to provide flexibility.

    • The wrapper handles default parameters and then calls the actual syscall.

  • Chirag joined and discussed his work.

    • Talked about the difference between product companies and consulting firms for sales engineers.

    • His daily work involves gathering customer requirements for cloud migration and designing proposals.

  • Shared resources:

Attendees

  1. Alpesh Bhagwatkar

  2. Bhavesh Kukreja

  3. Jaden Furtado

  4. Chirag

  5. Janvi Matani

  6. LUEE KASAUDHAN

  7. Rehan Shaikh

  8. Suyash Purwar

Meet Screenshot

Oops, we forgot to take a screenshot this time


Note For all summaries, please visit catchup.ourtech.community/summary.

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