What is a VPN (Virtual Private Network)? A Virtual Private Network (VPN) provides privacy and anonymity online as it provides the user with a private network even when they are using a public internet connection. The VPN provides the online user with a screen making the online actions and activities private. The VPN also provides […]

Location Information within Photographs iPhone iOS and Android mobile phones both include location information within any photographs taken by default. When a photograph is taken, the mobile phone includes various exif information including the time and date it was taken, the make and model of the phone used, the operating system version of the phone […]

What is Secure Sockets Layer (SSL) Encryption? Secure Sockets Layer Encryption was originally developed by Netscape and uses two keys to encrypt data, a public key that is known to all and a private key that is provided only to the recipient. The public key is provided within a digital certificate and this also provides […]

What is a Digital Signature? A digital signature is a mathematical code that is generated and attached to a transmitted file or document that can be used by the recipient to verify that the message or document that has been received has not been altered and also that the message has been sent by the […]

What is a Digital Certificate? A Digital Certificate is used to confirm that the message or document received was from the expected sender and that the document or message has not been altered since being sent. The sender of the message uses a public key to create a hash value of the message and this […]