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John E Dunn

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Friday FYI: 9 out of 10 of website login attempts? Yeah, that'll be hackers

Up to 90 per cent of the average online retailer's login traffic is generated by cybercriminals trying their luck with credential stuffing attacks, Shape Security estimated in its latest Credential Spill Report. The biz crunched the numbers [PDF] on 51 organizations across a range of global sectors that reported having an eye- …
John E Dunn, 20 Jul 2018
Close-up of man undergoing CT scan

Imagine you're having a CT scan and malware alters the radiation levels – it's doable

As memories of last May's WannaCry cyber attack fade, the healthcare sector and Britain's NHS are still deep in learning. According to October's National Audit Office (NAO) report (PDF), 81 NHS Trusts, 603 primary care organisations and 595 GP practices in England and Wales were infected by the malware, with many others in …
John E Dunn, 11 Apr 2018
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We need to go deeper: Meltdown and Spectre flaws will force security further down the stack

Around 2003, a computer security portent that had been cheerlessly simmering away for years suddenly came to the boil. This was an era stricken by malware attacks on a scale few had prepared for, running software beset with flaws some vendors seemed disinclined to acknowledge let alone fix. Vulnerabilities, including high- …
John E Dunn, 26 Mar 2018

The blockchain era is here but big biz, like most folk, hasn't a clue what to do with it

As far as database giant Oracle is concerned, the October announcement of its Blockchain Cloud Service (BCS) was timed perfectly. After dabbling with blockchain internally for a year before joining the Hyperledger consortium in August, it had reached the point where its customers – and a market intrigued by what looks like …
John E Dunn, 1 Feb 2018
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Life after antivirus: Reinventing endpoint security

Security professionals still talk about “antivirus defences,” but in the space of a handful of years what is meant by this term has undergone a dramatic shift. On the surface, things look much as they have always done. Businesses still run what used to be called “AV protection,” reinvented some time ago as the all-purpose “ …
John E Dunn, 9 Feb 2017

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