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 #248

Date: 09-08-2025

Duration: 4 hrs 00 mins

Topics Discussed

  • Nirmal shared details about his previous projects and pitched an idea for a new low-level hardware project.

  • Nirmal asked Jaden (cybersecurity expert) about firewalls.

  • Jaden shared a project where he discovered a critical vulnerability in a ship’s system.

    • Explained about Modbus, the communication protocol used in ships, and the vulnerability he identified.

    • Described how he wrote a malware to demonstrate the flaw to authorities and raise awareness among the ship’s crew.

    • Discussed the challenges of writing malware in a very limited memory environment (due to outdated ship computers), including writing in C++ and invoking the code via Java.

    • Highlighted that Java has features (via the Unsafe class) that allow bypassing the JVM to perform arbitrary operations, even accessing the UEFI.

  • Nirmal also asked for learning resources on Networking and Cybersecurity.

  • Harsh shared his recent work.

    • He investigated an issue with a company’s RAM (DIMM) failing under certain tasks due to narrow operational margins and worked on debugging and finding solutions.

  • Jia showed her project Algorific, a tool for visualizing Data Structures and Algorithms.

  • Jia also showcased her online Python code editor and runner project.

    • Demonstrated features like chatbot assistant, step-by-step code explanation, and more.

    • Shared her codebase with Darshan for suggestions and improvements.

  • Bhavesh demonstrated his project King’s Gambit, an online multiplayer chess platform with an integrated video call feature.

    • Showcased deployment progress and shared the codebase with Darshan for feedback.

  • Additional resources and links.

Meet Screenshot

Meet #248 screenshot

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

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