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Graeme Caldwell

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Top Stories by Graeme Caldwell

It's a server administrator's worst nightmare, and it's one that almost every sysadmin will have to face at some point. Your server's been hacked. Perhaps you've been notified by your hosting provider that it's being used in a DDoS attack. Or you have noticed a spike in resource use that can't be tied to legitimate activity. Or your malware scanners have located what looks like a backdoor. The sinking feeling on realising that your server has been exploited is horrible, especially when you consider the potential damage to your business, but it's important that you deal with it rationally. You next steps will depend on unique factors, but there is some general advice that I would give to everyone facing this scenario. Keep Calm Your reaction might be to start trying desperately to fix the problem, essentially applying band aids to your server in the hope that you'll b... (more)

Does Your Website Really Need An SSL Certificate?

If your website doesn't publish sensitive or private information, and you are the only person who has an account on your content management system, you might wonder why you’d need an SSL certificate. There are three main reasons: an SSL certificate helps guarantee that your readers are seeing the content that you published, that no one else has inserted content, including advertising into your pages, and it makes it clear that you take your users privacy concerns seriously. SSL certificates have two jobs: they verify the ownership and control of a domain and they allow a server ... (more)