Read these recommendations and enhance your security NOW!

These are absolute must-haves if you are a privacy-geek.

• F-Droid - An alternative software repository comprising only free, open source software
• EFF Actioncenter Mobile - Alerts you when they need your help on privacy breaches
• Secure Messaging Scorecard - Which apps and tools keep your messages safe?
• Xprivacy - The ultimate, yet easy to use, privacy manager
• SMSSecure - Secure text messaging application for Android (replace TextSecure)
• Signal-Android - Encrypted text and calls for Android (internet connection needed)
• The Guardian Project - Secure Open Source Mobile Apps
• PrivacyPack - Apps against mass surveilance collected by ResetTheNet
• WiFi PrivacyPolice - prevents leaks of privacy sensitive information via Wi-Fi
• AFWall+ - IPTables based firewall for Android
• NetGuard - The first free and open source no-root firewall for Android
• Orbot and Orfox - Anonymous internet traffic connections on Android

• CopperheadOS - A hardened version of Android, entirely open-source.
• AOKP - Android. Infused with magical unicorn bytes. Kang it NAO!
• AICP - Android Ice Cold Project from latest Android, also on GitHub.

Too lazy to read? Get a tasty coffee and watch these.

• DEF CON 22: Am I Being Spied On? - Awesome talk about fighting surveillance
• Bugged, Tracked, Hacked - Mobile phone tower hacking using SS7 protocols
• Phone Hackers: Britain's Secret Surveillance

• Tor - Anonymity Browser against network surveillance and traffic analysis
• Tails - Live OS to use the Internet anonymously and circumvent censorship
• MAT - Metadata Anonymisation Toolkit to anonymize/remove metadata
• VeraCrypt - Cross-Plattform High Security Disk Encryption (reasons: 1 and 2)

Very useful websites and guides for more protection.

• The Problem with Mobile Phones - Inspection of mobile phones by Privacy International
• Communications Surveillance - Introduction of the EFF on communications surveillance
• Smartphone Attack Vector - Smartphone flaws and countermeasures
• Kuketz IT-Security Blog - Great Security Reviews and Guides (written in German)
• PRISM Break - Alternatives to opt out of global data surveillance programs
• Security Research Labs - Stunning Security Revelations discovered in Berlin
• The Surveillance Self-Defense Project - Defend against the threat of surveillance
• Electronic Frontier Foundation - Nonprofit defending your rights in the digital world
• Privacy International - Charity fighting for the right to privacy across the world
• KillYourPhone - Make your own signal blocking phone pouch for little money
• Datenschmutz Wiki - German wiki of databases and tools of law enforcements
• Telefoniert nach Hause - Wiki about hard- and software contacting third parties
• Buggedplanet - Great wiki about Measures used to intercept Communications
• Electrospaces - Insights in SIGINT, Security and Top Level Telecommunications
• Secret Surveillance Catalogue - Secret gear governments uses to spy on you
• Intelexit - Initiative motivating people working in secret services to quit their jobs
• Privacytools - Tools to protect your privacy against global mass surveillance