Carel Bitter, Author at Security Boulevard

WHOIS: identification or correlation?

Carel Bitter | December 7, 2023 | Domain reputation, Investigations, Service Providers

Recently, WHOIS data was used to uncover a large cluster of domains used for a fake URL-shortener scheme and a massive SMS phishing operation, known as Prolific Puma. Spamhaus Technology's Head of Data Carel Bitter explores why this case is particularly interesting and the role of WHOIS data in identification ... Read More

The Spamhaus Project

DNS abuse: ICANN call for action – but is it enough?

Carel Bitter | July 25, 2023 | dns, Service Providers, Spam

ICANN's proposed amendments to registry and registrar contracts (RARAA), tackle DNS abuse head on, a positive step in the fight against internet abuse and cybercrime. But, are they enough? Read our thoughts here ... Read More

The Spamhaus Project

Let’s talk about the danger of residential proxy networks

Carel Bitter | May 25, 2022 | Abused, compromised, Malware, Spam

In our experience, residential proxies are an often overlooked security threat; one that can be very difficult to remediate for the end user who -in our experience- is entirely unaware of its existence ... Read More

The Spamhaus Project