Posts Tagged ‘encryption’

Sharing Sensitive Documents With a Third Party

Best practices for sending sensitive files to a third party—and why copy protection is stronger than encryption.

You have a document, video, or audio file with sensitive information and need to send it to someone else. What’s the safest option?

Three common choices come to mind: email, Dropbox, or a USB flash drive.

Sending an email is like sending a postcard. It’s open to interception, and anyone determined enough can read it. Most of the time nothing happens, but relying on luck with sensitive data is risky. Encryption improves email security, but file size limits (usually around 20MB) make it impractical for large videos or datasets. And once decrypted, the file is free to be copied or shared without restriction.

Dropbox solves the size problem by letting you upload large files and share a download link. However, Dropbox doesn’t encrypt files by default. You can password-protect a compressed archive, but the same weakness applies: once decrypted, the file is wide open to manipulation or unauthorized sharing.

That leads to a critical question: Do you trust the recipient?

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Encrypted Cell Phones Tell No Tales

KoolSpan is offering up an encryption solution for cell phones, PDAs, smartphones and the like for end-to-end security. For mission critical applications, say government or defense contract work, a simple and convenient security system for cell phones is serious business.

trustchip

KoolSpan has made encrypted cell phones simple. With any device that has microSD support the KoolSpan system will work. The solution is simple – just dial the number. If the other phone is KoolSpan enabled, then both phones automatically go [256bit] secure. The KoolSpan encryption process is based off their TrustCenter management center. Here administrators can create security groups and permit / deny users based off security clearance protocols. All the necessary authentication keys, identity codes and crypto algorithms are pre-loaded into the KoolSpan TrustChipâ„¢. From that point on, mobile devices find each other through normal phone calls, and then transparently and automatically authenticate and encrypt sessions for secure end-to-end communications.

koolspan microsd trustchip

The KoolSpan encrypted cell phone solution is plug-n-play with the microSD TrustChip with no further configuration required. The TrustChip runs about $300 USD and isn’t clear on whether a monthly service is required. KoolSpan TrustChip product page. Continue Reading

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