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 […]
The Digital Certificate Explained
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 […]
An Investigation of Dominic Cummings’ Pandemic Blog
On 25th May 2020 during his live televised press conference, the Senior Government Advisor Dominic Cummings stated that “Last year I wrote about the possible threat of coronaviruses and the urgent need for planning.” His blog website is contained at the address https://dominiccummings.com/. One of those blog pages contains reference to ‘coronavirus’ which is available […]
Zoombombing Explained
What is Zoom? Zoom is a cloud based peer-to-peer based application that provides an audio chat and video calling facility allowing up to 1,000 users from different locations to connect to the same video conference via a webcam or a phone. A Zoom Room are physical conference room software and hardware that allow Zoom meetings […]
Public Key Infrastructure
What is Public Key Infrastructure? Public Key Infrastructure (PKI) is used to store, create, manage and distribute digital certificates. A public key is bound to a specific user by the certificate authority (CA) and issues the digital document containing the encrypted public key that is known as a certificate. The Public Key Infrastructure works as long […]