December 2025
- Dec 29, 2025TechnologyData Protection Basics: How to Secure Sensitive InformationYahoo took three years to notice that all three billion of its accounts had been compromised in 2013, and the failures were ordinary: security questions kept in plaintext, passwords hashed with MD5, access controls too weak to spot years of exfiltration. Verizon cut its purchase price by $350 million, and the SEC collected $35 million for the late disclosure. This guide covers classification, encryption, key management, least privilege, and backups that survive ransomware.
- Dec 28, 2025TechnologyIntegrating Privacy by Design in SystemsApple's App Tracking Transparency made cross-app tracking require explicit permission, with no tracking as the default. Flurry Analytics measured global opt-in at roughly 13 to 14 percent, leaving about 85 percent of iOS users untrackable across third-party apps. Meta disclosed the change cost it $10 billion in 2022 ad revenue. That is what a default is worth. This covers Cavoukian's seven principles, data minimization and the main privacy-enhancing technologies.
- Dec 27, 2025TechnologyPrivacy vs Security: Understanding Key DifferencesThe infrastructure Snowden exposed in 2013 was hardened, encrypted, access-controlled and monitored around the clock. The crisis came not from insecurity but from collecting billions of people's communications without consent. Security asks who is authorized to access this; privacy asks whether the individual consents to this use. The threat models differ: attackers versus the organizations legitimately holding your data.
- Dec 16, 2025TechnologyMobile Security Basics: Protecting Apps and User DataMost mobile security failures are mundane: tokens parked in UserDefaults or SharedPreferences, HTTPS left unenforced, API keys baked into a binary that jadx can decompile in minutes. This guide walks the OWASP Mobile Top 10 against the fixes that actually hold, from Keychain and Android Keystore to short-lived access tokens, public key pinning with backup pins, least-privilege permissions, and SAST checks wired into CI.
August 2023
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