Cybersecurity

2009 Domain Name Year in Review

To say that it's been quite a year in the world of domain names would be an understatement. From compromised country code Top-Level Domains (ccTLD) registries, to the delay of new generic Top-Level Domains (gTLDs), some of the events of the past year have been surprising, while others could easily have been predicted. Regardless of whether you could have seen these coming, please find below my list of 2009's most important domain name events...at least, as I see them. more

The Internet of Things: When Sci-Fi Becomes Reality

In my last blog post I shared some of the general security challenges that come with the Internet of Things (IoT). In this post, I will focus on one particular security risk: distributed denial of service (DDoS) attacks. Even before the age of IoT, DDoS attacks have been turning multitudes of computers into botnets, attacking a single target and causing denial of services for the target's users. By "multitudes" we can be talking about thousands or even millions of victim devices. Now add IoT into the equation... more

ICANN Cannot Expect the DPAs to Re-Design WHOIS, but Asking for a Reprieve Makes Sense

We are on the brink of the most serious threat to the open and public Internet for decades. ICANN, under pressure from domain name registrars and EU data protection authorities, has proposed an "interim" plan that will hide critical information in WHOIS. Security, threat intelligence, and anti-abuse professionals rely on WHOIS to track down bad guys and keep the Internet as safe and secure as possible. more

CircleID’s Top 10 Posts of 2018

It is once again time for our annual review of posts that received the most attention on CircleID during the past year. Congratulations to all the 2018 participants for sharing their thoughts and making a difference in the industry. more

VeriSign’s New Security Seal Too Trusting?

On November 4, 2003, VeriSign announced a new "trust enhancing" seal which they built using Macromedia's Flash technology...While there are problems inherent to VeriSign's approach that call into question their understanding of "The Value of Trust," there are ways they could have made this particular implementation less trivially spoofable. The flaws I demonstrate on this page are flaws in the concept and the execution rather than anything inherently flawed in Flash. Overall this kind of graphical "trustmark" is extremely easy to forge just by recreating the artwork. But in this case, you don't even have to do that. The seal can still be called directly off the VeriSign servers, yet it is easily modified, without recreating artwork, and without doing anything untoward with VeriSign's servers! more

Think China Is the Highest Spamming Country? Think Again

In my department, we block about 92% of our total email (around 2.5 billion per day) at the network edge without accepting the message. When we do that, we don't see any traffic from that IP anymore and don't keep stats on it due to the overwhelming volume of mail. However, we do keep stats on mail that we block with our content filter. I decided to go and calculate how much spam we receive from each country by mapping the source IP back to its source country... more

IPv6 Security Myth #2: IPv6 Has Security Designed In

Today we continue with part 2 of the 10 part series on IPv6 Security Myths by debunking one of the myths I overhear people propagating out loud far too much: That you don't need to worry about security because IPv6 has it built into the protocol. In this post, we'll explore several of the reasons that this is in fact a myth and look at some harsh realities surrounding IPv6 security. more

New Data Reveals Phishing Attacks Are Bigger Than Reported, Exact Size of Problem Unknown

A group of experts from Interisle Consulting Group released a paper today, reporting a comprehensive study of the phishing landscape in 2020. The study's goal was to capture and analyze a large set of information about phishing attacks to better understand how much phishing is taking place, where it is taking place, and better ways to fight them. more

Can We Create a Secure Caller ID For VoIP?

Can we create a "secure Caller ID" for IP-based communications, a.k.a. voice-over-IP (VoIP)? And specifically for VoIP based on the Session Initiation Protocol (SIP)? Can we create a way to securely identify the origin of a call that can be used to combat robocalling, phishing and telephony denial-of-service (TDOS) attacks? That is the challenge to be undertaken by the "Secure Telephone Identity Revisited (STIR)" group meeting tomorrow morning, July 30, 2013, at 9:00 am in Berlin, Germany, as part of the 87th meeting of the Internet Engineering Task Force (IETF). more

Typosquatting Continues to Pose Dangers to Enterprises, Consumers

While typosquatting is not a new phenomenon, recent research highlights that it is being used to collect sensitive corporate information from employees and lure consumers to interact with dubious websites. ... Security consultancy Godai Group recently uncovered the use of a specific type of typosquat - a "doppelganger domain" - to collect sensitive enterprise information via email-based attacks. more

Finding Good ICANN Board Candidates

In the late summer of 2006, the ICANN Nominating Committee will convene to select three members to the ICANN Board of Directors, and four members to various councils. Depending on the global visibility of the nominees, and the current political and technical currents pulling at the Internet community, these nominations will be both pilloried and lauded in different circles. This process of selecting a good ICANN board member is astonishingly complex; I should know, having served on the founding NomCom in 2003, and the succeeding NomComs in 2004 and 2005. By far the biggest challenge is finding good candidates... more

Typosquatted Domain Names Pose Plenty of Risk But Surprisingly Little Malware

A recent study took an in-depth look at the scale and the risk of domain name typosquatting -- the practice of registering mis-spellings of popular domain names in an attempt to profit from typing mistakes. "Applying every possible one-character typo to the domain names of Facebook, Google, Twitter, Microsoft, Apple and Sophos," Paul Ducklin, Sophos' Asia Pacific head of technology collected HTTP data and browser screenshots from 1502 web sites and 14,495 URLs. In this report, Ducklin analyses the data revealing unexpected results within the typosquatting ecosystem. more

Actions Required by Developing Economies Against Spam

My OECD paper on spam problems in developing economies is now linked from the OECD Anti-Spam Toolkit page, as part of section 8 of the Anti-Spam Toolkit (Outreach). This ZDNet article provides a reasonably good summary of my paper as well. I welcome comments and suggestions from CircleID readers. "Spam is a much more serious issue in developing countries as it is a heavy drain on resources that are scarcer and costlier in developing countries than elsewhere..." more

IETF Reaches Broad Consensus to Upgrade Internet Security Protocols Amid Pervasive Surveillance

Internet security has been a primary focus this week for more than 1100 engineers and technologists from around the world gathered at the 88th meeting of the Internet Engineering Task Force (IETF). Participants are rethinking approaches to security across a wide range of technical areas. more

Why I Want a .PAYPAL New gTLD

I use Paypal, and I am quite satisfied with how it helps me with my business: it is still a little hard to use, and I don't use all functions of the tool, but it is not so expensive, it is fast and efficient, and Paypal does not send so many emails. In one word, Paypal rocks... The only problem that I have with Paypal is the number of fake emails that I receive. Of course, I easily identify them as they come in and luckily, G Suite (Gmail) does an excellent job at blocking all spam and phishing. more