Tag Archives: lost data

Trust your supermarket

It was only a question of time…
NHS is going to share our medical data with Tesco, Boots and Superdrug. This is to help them to help you (of course).


This was one of the prime worries when the NHS patient database was discussed – you may trust NHS with your data – possibly – but do you trust everybody they share data with?

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IT Security Concepts

IT Security Concepts


This document is an attempt to formulate basic reasoning behind security technologies, we should employ. It is not trying to analyse the actual techniques used and tries to stay away from technology comparisons. I apologize for some of the analogies that may sound infantile. The reason for this is two-fold: it may help to explain the concept to a non-technical reader, but also, I found that using simple analogies may sometimes expose holes in our thinking.

Why use security systems

It is quite obvious that any security system has a cost, not only in terms of cash, but also – more significantly –

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Where to keep your sensitive data for remote working

Where to keep sensitive data

The table below summarizes security and speed implication of different ways of accessing sensitive data while working out of office. Note that the comparison only lists most popular ways of storing data and the Security/Speed correspond to typical situation – in the real world access speed and security provided by local encryption vary.

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Have you been pwned?

Don’t you wonder all the time how all these spammers got your email address?

Who has your email address and who is selling it and what they are going to do with it?

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The reality of bad statistics

There is a claim in the SC article that an average Londoner carries 461GB of data with them.

I cannot believe this and almost stopped reading at this point. But there is a bit of sensible advice there too.