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Page last updated at 16:07 GMT, Wednesday, 17 December 2008

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The comments published on this page reflect the balance of views we received. (September - December 2008)

A good item on Click about hacking and some sensible advice for people wanting to protect themselves.

However, there is one other thing that people should do that never gets a mention - do not run your PC in 'full administrator' mode.

Running without 'root' access can significantly reduce the footprint for malware to get installed.

It is true though, that doing this can cause issues; many programmers don't understand security and design their software so that it requires full access to operate.

But there are ways around this and the benefits really outweigh the problem.
A Sutcliffe, Whitstone

People should think of the Internet as a marketplace. If you have some money, there are a lot of characters who have ways of taking it off you, ranging from an honest deal to downright criminality.

Out in the street, we know how to take care of ourselves. We are aware of the risks and keep a tight hold on our cards and cash and walk away from dodgy-looking characters.

The trouble with the Internet is that it feels like an extension of our own home. In reality it is quite the opposite. It is like opening the door and letting any passing stranger step inside - an exciting experience, but requiring constant vigilance and a degree of scepticism.

I would be the first to agree that cyber crime is a bad thing, but if you are a mug, you will get mugged. In the street, you might also get beaten-up or murdered. That has not happened yet on the Internet.
Mike Kearney, La-Haye-Pesnel, France

In response to the contactless card issues, why can't they just add a small push switch to them that only enables the card to be read when you hold it down? Surely that would be quite easy to include.
Will Proctor, Scunthorpe

The segment on homeworkers misses a crucial point. It is a waste of time and resources for employers to monitor most workers. Why does it matter if Tim the programmer takes an hour off?

He is paid per task, not per hour. As long as that task is completed to a high standard by the agreed deadline, it does not matter how long he spends on the job.

As a freelance homeworker, I would never work for a company that treated me like a naughty child.

The beauty of working from home is that you have the flexibility to do the work when and how you want, without the boss constantly looking over your shoulder.
RP, London

Israel appears to be the first country to actually make it illegal to send out unsolicited mass e-mails. Why don't all other countries follow suit?

British citizens who are being defrauded or even spammed have a right to be defended by the forces of law and order whose wages we pay through our taxes.
Josephine Bacon, London

When talking about identification, the discussion often focuses on the qualities of the technology performing the identification at "the front end".

In my opinion the bigger issue with security is the process of linking this unique identity to a database containing the rest of the personal data, which is often open to multiple parties at "the back end".

People can or could compile random identities by linking at will their own biometric ID to someone else's personal data.
Daniel Roos, Philippines

Regarding your segment about voice recognition banking - what's to stop somebody using some thinking like a vocoder to beat the system?

I've got nothing against the technology only that when you clone or copy anything digital you get exact copy of the original.
Scott, Bagshot

We, the public, are to blame for not putting more pressure on our ISPs, and the IT industry as a whole, to put decent spam filters in place.

I have moved my business domain from an ISP that did a poor job at filtering spam and will be taking similar action with my current one if the volume of spam messages I receive increases.

If we vote with our wallets, then the ISPs that have the best filters will win, and the ones that take our money but fail to invest will fall by the wayside.

It is going to be extremely difficult to remove all spam from the internet but the industry seems unwilling, unable or incapable of taking actions to prevent the large majority of messages from infected machines that should be blocked at the mail-gateways.
David Crook

I get loads of spam e-mails so my e-mail has won to date about a billion pounds. I delete them but they keep coming back.
Mr C Pikatsa, Margate Kent

Great to see the Woz on click. An inspiring geek purest. We are not worthy!
Kerry Langton, London

Hello Click folk, I watched your piece in which you asked for info on recycling video cassettes.

You might already know about Freecycle website? Well I have been a member of my local Freecycle for over a year now and it's been great. Basically it's all about, as you'll have guessed from the name, recycling things for free.
Rebecca, Clitheroe

With reference what to do with old VHS tapes. All of the major charities, including the British Heart Foundation run retail shops raising needed funds. They will take in all unwanted VCR tapes and re-sell them, raising funds and recycling in a green manner.
Martin W Holt, Bridge of Weir

I have an idea of how to protect against people stealing details from contactless cards - just watch out for people waving strange devices near your bottom.
Ian Sherman, Southend-on-Sea, Essex

I am a keen watcher of technology programmes, but I have only just found out about 'Click'. Why has it been given so little exposure on the BBC? I am sure there are many other interested potential viewers out there who are unaware of the programme.
David Roberts, Nantwich

Hi there Spence... you are just too cool for words... but please stop wearing t-shirts under your open shirts, it is too American and 80s looking... and you are far too trendy for that.. Just stay with the open shirts that make you a trendy host and keep them open! Sorry I also luv Laptops and all the rest..
Grace Gudu, Johannesburg, South Africa

The offer to test biometrics on identical twins to prove how good they were at discriminating between individuals is a disingenuity and misdirection worthy of a stage-magician or The Real Hustle's proposition bets.

Biometric systems rely on variations in the measurements of physical features that are the consequence of minute perturbations in development and are not wholly or even mainly determined genetically. It is therefore very unlikely that any two pre-selected people, twins or not, should match biometrically even on the crudest systems.

Twins are a red herring since they are no more likely to be matched than unrelated individuals by a biometric, nor to be "closer" together. That two individuals known to be different are not matched is no illustration whatsoever of the likelihood of false positive or false negative in using the same system to identify individuals, where an unknown must be compared statistically with a very large number of profiles.
Guy Herbert, London

The safety of using biometric data is not fully established! Making people the key to encrypted data could lead to similar risks as if you were carrying a suitcase of diamonds handcuffed to your wrist! Should thieves be encouraged to steal your biologic matter to access valuable information. Business should be looking at alternatives to carrying data around in bags!
Mark, Canterbury, United Kingdom

Reading the article about 'walk recognition' brings a whole new meaning to Monty Python... will there be a new government department before long - a real 'Ministry of Silly Walks!'
Rob, Whitehaven, England

While watching today's (01/11/08) Click I noticed that Spencer's shirt had a somewhat twist to it, while doing the part with the digital pen his shirt pocket and design was on the right hand side (viewers' left) then at the end of the programme it had changed to his left hand side (viewers' right).

So which was the real Spencer and which was the MIRROR image? Also how many other viewers spotted this little mind game?
J, Scotland

Whilst the feature on biometrics was excellent, as ever with Click items, can I raise concerns, please. As a disabled adult, the larger the shift in access to measurement of 'normal gait' or 'normal response times' or 'finger tip swipe', the higher the barriers for disabled adults.

We do work, we do need to access secure areas, whether in the physical or e-environment, we do also need access to personal data within the e-environment, but measurement methods are increasingly disabling the already disabled.

Many conditions vary widely for disabled adults and there is no 'standard response', even where a sample is taken on a specific day. Which of these companies is questioning how disabled access can be securely measured and equitably measured, please?

Elspeth McPherson, Aylton, UK

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