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What is WannaCry and how does ransomware work? A global cyber attack has been underway since 12 may 2017, affecting more than 200,000 organisations in 150 countries. In the UK, the major assault hit 47 NHS trusts, leading to  operations being cancelled and patients turned away from A&E. The "WannaCry" ransomware appears to have used a flaw in Microsoft's software, discovered by the National Security Agency and leaked by hackers, to spread rapidly across networks locking away files.  A security expert managed to  stop the attack by triggering a "kill switch"  on Saturday but it has continued to wreak havoc.  Ransomware, which demands payment after launching a cyber attack, has become a rising trend among hackers looking for a quick payout.  What is ransomware? R ansomware is a kind of cyber attack that involves hackers taking control of a computer system and blocking access to it until a ransom is paid. F or cyber criminals t

How does the Blockchain Work (for Dummies) explained simply How does the Blockchain Work? Blockchain is a hot topic around the world these days, yet for many, the technology remains an elusive concept. Yet it shouldn’t, the concept is simple once you get your head around the architecture and theory of basic crypto economics. When you do have your “a Ha” moment, the world will never seem the same to you again. This blockchain basics guide is designed to deliver a clear, non-technical introduction to one of the most transformational & misunderstood technologies of our time. If you want to know what blockchain technology is, how it works, and it’s potential impacts, without all the technical lingo, then this post is for you. A short History of Transacting Money Historically, when it comes to transacting money or anything of value, people and businesses have relied heavily on intermediaries like banks and governments to ensure trust and certainty.  Middlemen perform

Mobirise: A Free Website Builder I just discovered a free tool called Mobirise for building mobile and responsive sites that is, I think, quite excellent and definitely worth checking out. Despite an endless procession of tools over the last few years, creating a web site with any sophistication has remained difficult unless you’re willing to go for a very generic look. Even using a template, getting your content looking like you want it to look and behaving how you want it to behave can be very tough, particularly if you’re going to effectively support mobile access (the number of sites that still look terrible on mobile browsers is amazing) and now, thanks to Google, being mobile-compatible is de rigueur if you want to score with SEO.  Mobirise is an OS X, Windows, and  Android  application that’s one of the few easy-to-use applications providing a “mobile first”, Retina ready, drag and drop development model. Built on  Bootstrap 3 , one of the most popular