AppSec, network sec, IAM, cloud sec, incident response, compliance (SOC2/GDPR), cryptography.
Primary categories: security · cs-fundamentals
Apple ICT3+ canonical system design. Tests asymmetric crypto, multi-device key fan-out, offline delivery, and the privacy-first architecture Apple grades senior candidates on.
BLE crowdsourced location, on-device crypto, anti-stalking, lost mode, battery-aware. Apple-specific signature SDI.
End-to-end encryption (Signal protocol), message delivery guarantees, group chat, read receipts, multi-device. Meta signature SDI.
Structured story format used by every Mag7 behavioral round. Google extends to STAR-L (Learnings). Amazon expects 1 LP per story. Netflix tunes to culture pillars.