The value of Hash Blocklists

18 May 2020

Blog

IP & Domain Blocklists (DNSBLs) are very effective at filtering malicious emails. However, they do have one big limitation: How do you block an email sent from a compromised account at Gmail, Hotmail or any other large email service provider (ESP)? Hash blocklists are the answer.

Why you should use domain and hash blocklists

18 May 2020

Blog

It's a well-known fact that filtering emails using IP blocklists (DNSBLs) blocks the vast majority of malicious emails. It's effective and economical, using minimal computational power. So why should you also use domain and hash blocklists for filtering?

The value of Hash Blocklists

18 May 2020

Blog

IP & Domain Blocklists (DNSBLs) are very effective at filtering malicious emails. However, they do have one big limitation: How do you block an email sent from a compromised account at Gmail, Hotmail or any other large email service provider (ESP)? Hash blocklists are the answer.

WEBINAR – Domain Hijacking, April 2020

5 May 2020

Event

Instances of domain hijacking are on the increase, and the fall out for victims can be significant. Join ISC and Matt Sith, from Spamhaus to discover how big a problem domain hijacking is and learn how to protect against it.

Botnet Threat Update Q1 2020

15 April 2020

Report

The number of botnet Command & Controllers (C&Cs) associated with fraudulent sign-ups, reduced by 57% in Q1 2020, however it isn't all good news. Find out the full details on botnet C&C activity here.

Free DNS protection for Healthcare providers

3 April 2020

News

Healthcare providers are facing an increasing number of cyber attacks in the face of the COVID-19 crisis. To help combat malicious threats including malware, phishing and ransomware we are offering Healthcare providers free access to our DNS Firewall Threat Feeds until the end of this year.

Botnet Threat Report 2019

24 January 2020

Report

Spamhaus Malware Labs identified a 71.5% increase in the number of botnet command & controllers in 2019. Find out who and what was driving that increase.

Email blocklists – buy cheap, buy twice!

29 October 2019

Blog

As IT budgets and resources are squeezed it’s understandable to shop around, be it for hardware, software, or threat intelligence data, for that matter. But beware…not all email blocklists (DNSBLs) are equal.

The Value of Threat Intelligence – The White Paper (2019)

29 October 2019

Report

In this Osterman Report, over 200 companies were interviewed to find out how they were utilizing threat intelligence data. Compare yourself to the market place, and find out how others are protecting themselves.

The Value of Threat Intelligence – Survey Results

29 October 2019

Report

In this Osterman Report, over 200 companies were interviewed to find out how they were utilizing threat intelligence data. Here are the results.