The 10 apps you need to keep prying eyes away from your mobile messages and data

The 10 apps you need to keep prying eyes away from your mobile messages and data

Summary: Maintaining privacy online seems almost impossible, but there are a tools that can minimise the chances of your personal, financial or business data falling into the wrong hands.

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TOPICS: Security, Apps, Privacy
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  • BoxCryptor

    BoxCryptor, a German company, has Android and iOS apps that help the user encrypt files on the fly before uploading to a cloud. The app supports sending encrypted files to Dropbox, Google Drive, Microsoft OneDrive Box, and others using WebDAV.

    The free app offers encryption and support for one provider. The paid and enterprise versions support multiple providers.

    BoxCryptor plans to release encryption its app for Windows Phone, Windows RT, and Blackberry 10 by the end of this quarter.

  • Telegram

    On the spectrum of privacy apps, Telegram sits somewhere between TextSecure and Snapchat and apparently has benefited big-time from Facebook's acquisition of WhatsApp.

    Telegram has the usual self-destruct option for messages, and has promised no ads, no subscription fees, and no outside investment — except for a generous donation that helped kick it off.

    The cloud service hopes its combination of 'normal' chats and 'secret' chats bridge the knowledge gap among most users about security.

    Telegram claimed to have gained five million new users on the day Facebook announced its WhatsApp acquisition.

    The company's privacy policy states that ordinary chats are stored encrypted on Telegram's servers and claims neither physical intruders or local engineers can get access to the data.

    Secret chats use end-to-end encryption and are not stored on Telegram's servers and can only be accessed from the devices they were sent to or from.

    Telegram was bankrolled by VKontact founders and brothers Pavel and Nikolao Duroy, however it says it's a Berlin headquartered company with no connections to Russia.

    Nikolao developed a custom, open protocol called the MTProto Mobile Protocol and Pavel in December offered $200,000 in Bitcoin to any hacker who could break it. The competition closed on March 1 without a winner and it's planning on launching a new competition soon.

    Telegram for iPhone was launched on August 14 last year. The alpha version of Telegram for Android was launched on October 20 that year.

  • Silent Circle's Silent Phone and Silent Text

    Silent Phone is the next product of PGP creator Phil Zimmerman. The app allows encrypted peer-to-peer calls on 3G, 4G and wi-fi networks using the ZRTP — Zimmerman's key exchange program for VoIP — and TLS to encrypt data packets.

    According to Silent Circle, only Silent Phone users exchange keys for each peer-to-peer call. The keys are not held on a server, meaning that governments can't request the service provider to hand over the keys.

    The Silent Text IM app allows encrypted messaging between devices with the app installed. Silent Text uses Silent Circle's own IM protocol with encryption keys staying on the device and not on the company's servers.

    "Each message receives a new key that is only used once and then destroyed. Only you and the person that you are texting can decrypt and read the information. The Secure Authentication String or SAS is unique to each text and used only once. As a result, the threat of retroactive compromise is eliminated," according to Silent Circle.

    Silent Text's version of a self-destructing message is a Burn Notice. Users can set the message to delete from both the sending and the receiving device between one minute and 23 hours 59 minutes.

    The Silent Circle mobile bundle, which includes Text and Phone, is available for $99.95 a year.

    Silent Circle privacy apps will soon start shipping on the Black Phone unveiled last month.

Topics: Security, Apps, Privacy

Liam Tung

About Liam Tung

Liam Tung is an Australian business technology journalist living a few too many Swedish miles north of Stockholm for his liking. He gained a bachelors degree in economics and arts (cultural studies) at Sydney's Macquarie University, but hacked (without Norse or malicious code for that matter) his way into a career as an enterprise tech, security and telecommunications journalist with ZDNet Australia. These days Liam is a full time freelance technology journalist who writes for several publications.

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  • You forgot TigerText ;)

    TigerText is the leader in simplifying and securing enterprise messages. Definitely another great app (free to download for iOS and Android) for keeping prying eyes away from your mobile messages.
    Ktins