Distributed Denial of Service or DDoS is an attack where there is an attempt to render an online service unavailable by overwhelming it with traffic from multiple distributed sources.
The National Cyber Security Centre (NCSC) is a pivotal organization in cyber security advice and supports the most critical organizations in the UK, the wider public sector, industry, SMEs and the general public.
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DoH, or DNS over HTTPS to be precise, has featured in mainstream media in recent weeks. Both Mozilla and Google have confirmed that their Firefox and Chrome browsers will be implementing DoH by default but what exactly is it and why does it have ISP’s worried?
To recap, DNS (or the Domain Name System) is used to translate a human-readable host address such as www.activereach.net to its underlying IP address that your computer can connect to in order to receive content.
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The Domain Name System (DNS) has gone through many changes over the years since its birth around 1985. But even before this, in the very early days of computer networking, it became a necessity to map the computerised machine addresses of computer and network entities to more human friendly names.
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On my way home from visiting a customer last week, I was thinking about a question that he had raised. He asked me “What is the best way to prepare for a DDoS attack?”
A DDoS attack is a special type of Denial of Service attack. Malicious traffic is generated from a multitude of sources and orchestrated from one central point.
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Do You Really Need A Cyber Incident Playbook?
As part of business continuity planning most organisations have a disaster recovery plan in place in case of a fire, flood or other business impacting incidents, so why should planning for a Cyber Security incident be any different? Building a strong Cyber Incident Playbook is vital and works together with in tandem with other procedures should issues arise.
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Mobile devices are becoming more and more popular, with forecasts suggesting that by 2020 there will be around 6.58 network connected devices per person. This results in an increase in the number of devices that are lost or stolen. If this happens, it can translate into a huge loss of data –
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2018 was a busy year for retail in the cyber security arena, with many organizations suffering from data breaches during the year, including British Airways and Vision Direct.
British Airways
British Airways suffered a sophisticated data breach affecting around
380,000 customers using its website and mobile app.
The attack –
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Resilient Firewalls, DDoS Mitigation, Multi-factor Authentication are the sexy parts of IT but can be easily brought down if the small things are ignored. By ‘small’ things I really mean the more mundane tasks linked to good IT security;
Anti-Virus
If your AV is not up-to-date and a network user accidentally clicks on a
link, opens an attachment or falls for a phishing scam, it could result in
a destructive virus spreading around the network, locking users out of
important data or destroying the data.
