📱 Mobile Security
By James K. Bishop, vCISO | Founder, Stage Four Security
📡 Category Overview
Smartphones are now full-fledged computing platforms—and full-spectrum targets. In today’s world, mobile devices don’t just carry your contacts and calendar. They access corporate VPNs, sign transactions, store credentials, and run thousands of third-party apps with unclear permission boundaries.
This category explores the modern mobile threat landscape—covering platform vulnerabilities, risky app behaviors, privacy tradeoffs, and how to secure smartphones in personal, business, and hybrid environments.
🔍 Featured Posts in This Series
- 📱 The Modern Mobile Threat Landscape: Why Smartphones Are Now Prime Targets
- 🔐 App Permissions: What You’re Really Granting—and How to Regain Control
- 🐛 Mobile Malware in the Wild: From Spyware to Supply Chain Attacks
- 💼 BYOD: Security, Privacy, and Practical Policy
- 🛡️ Securing Mobile Devices for Executives and High-Risk Users
📂 Topics We Cover
- iOS and Android platform security models
- Zero-day exploits and jailbreak/root threats
- App permission abuse and shadow app risks
- Mobile device management (MDM), EDR, and hardening
- Threat actor trends in mobile surveillance and access brokering
📣 Final Thought
Mobile security is no longer optional. It’s a frontline concern for enterprise security leaders, developers, and end users. If it fits in your pocket and holds your digital life, it deserves to be protected with the same rigor as your servers and clouds.
Need help auditing your mobile fleet, securing BYOD, or building mobile threat detection? Let’s talk.

