We recently received an email from a customer asking about hybrid DDoS mitigation and its ability to stop large application layer attacks. Here's the truth: Hybrid DDoS mitigation works and can stop large application layer attacks. Hybrid DDoS mitigation typically involves a purpose-built DDoS mitigation appliance or software on dedicated hardware that sits immediately in front of or behind an enterprise's edge router. more
The 24th DNS-OARC meeting was held last week in Buenos Aires -- a two-day DNS workshop with amazingly good, consistent content. The programme committee are to be congratulated on maintaining a high quality of presentations. Here are my picks of the workshop. They fall into three groups, covering themes I found interesting... These presentations related to the ongoing problem of DNS as a source of reflection attacks, or a victim of attempted DDoS... more
During Q4, repeat DDoS attacks were the norm, with an average of 24 attacks per targeted customer in Q4, reports Akamai in its newly released Q4 2015 State of the Internet - Security Report. more
Distributed Denial of Services (DDoS) attacks have been the frustration of information technology professionals for many years. When asked, most tell you they wish their internet service providers (ISPs) would simply provide them "clean pipes" all the time and take care of DDoS attacks upstream before they ever get to them. Unfortunately, the resources (equipment and personnel) necessary to clean Internet connections all the time are very expensive and come with several downsides. more
Google has announced its first initiative out of Jigsaw which is the expansion of its experimental service, Project Shield. Google is offering Project Shield as a free service leveraging Google technology to protect news and free expression sites from DDoS attacks on the web. more
In its security bulletin, Akamai's Security Intelligence Response Team (SIRT) reported on abuse of DNS Security Extensions (DNSSEC) when mounting a volumetric reflection-amplification attack. This is not news, but I'll use this opportunity to talk a bit about whether there is a trade-off between the increased security provided by DNSSEC and increased size of DNS responses that can be leveraged by the attackers. more
Every year, Verisign iDefense Security Intelligence Services produces its Cyberthreats and Trends Report, which provides an overview of the key cybersecurity trends of the previous year and insight into how Verisign believes those trends will evolve. This report is designed to assist in informing cybersecurity and business operations teams of the critical cyberthreats and trends impacting their enterprises, helping them to anticipate key developments and more effectively triage attacks and allocate their limited resources. more
A dramatic increase in DNS reflection/amplification DDoS attacks abusing Domain Name System Security Extension (DNSSEC) configured domains have been observed in the past few months, according to a security bulletin released by Akamai’s Security Intelligence Response Team (SIRT). more
Over the last couple of years, the networking industry has grown aware of the various security issues that could potentially have a huge impact on their operations. One of the topics that has raised in appeal is DNS security. Considering that much of the publicity around DNS is made by vendors trying to differentiate their solutions, there are many misconceptions out there that guide people into making poor investment in their infrastructure. more
'It could've been worse' is a fascinating expression. It implies that the incident in question obviously could have been worse than expected, however it also implies that it could have been better, ultimately leading to the conclusion that it was at least somewhat bad. So both fortunately and unfortunately for three Greek banks, the ransom DDoS attacks levied against them by hacker group the Armada Collective could have been worse. more
Last week I asked on a post elsewhere, why we, at the MLi Group, chose to consider speakers, panelists, supporters and sponsors at our Global Summit Series (GSS) as "Thought Leaders" and "Trend Setters? Many wrote me directly offering their answers and then it dawned on me that my answer may (or may not) get appreciated by many at the ICANN community. So here is why we do. more
The RIPE 71 meeting took place in Bucharest, Romania in November. Here are my impressions from a number of the sessions I attended that I thought were of interest. It was a relatively packed meeting held over 5 days. So this is by no means all that was presented through the week... As is usual for RIPE meetings, it was a well organised, informative and fun meeting to attend in every respect! If you are near Copenhagen in late May next year I'd certainly say that it would be a week well spent. more
NANOG 65 was once again your typical NANOG meeting: a set of operators, vendors, researchers and others for 3 days, this time in Montreal in October. Here's my impressions of the meeting... The opening keynote was from Jack Waters from Level 3, which looked back over the past 25 years of the Internet, was interesting to me in its reference to the "Kingsbury Letter". more
Any form of public communications network necessarily exposes some information about the identity and activity of the user's of its services. The extent to which such exposure of information can be subverted and used in ways that are in stark opposition to the users' individual interests forms part of the motivation on the part of many users to reduce such open exposure to an absolute minimum. The tensions between a desire to protect the user through increasing the level of opacity of network transactions to third party surveillance, and the need to expose some level of basic information to support the functions of a network lies at the heart of many of the security issues in today's Internet. more
On Thursday, Oct 1, 2015, from 9:30am-4:30pm US EDT (UTC-4), Dyn will be holding their "TechToberFest" event in Manchester, NH, and also streaming the video live for anyone interested. There are a great set of speakers and a solid agenda. As I wrote on the Internet Society blog, I'll be part of the security panel from 3-4pm US EDT... and we who are on the panel are excited to participate just for the conversation that we are going to have! It should be fun! more
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