Category: Email

DMARC

Mail Check is changing: What UK public sector organisations must know about…

Jack Lilley

The National Cyber Security Centre (NCSC) has suggested a change to Mail Check services starting on 24 March 2025. This change mainly involves ending DMARC aggregate reporting. This change comes as a measure to expand the services provided by Mail Check to any UK based organisation, while also limiting the cost and complexity of…

Read more
DMARC

Beyond DMARC: How Red Sift OnDMARC supports comprehensive DNS hygiene

Red Sift

Registrable domains and DNS play a crucial role in establishing online identity and trust, but their importance is often taken for granted. During new service setups, record updates are often overlooked, accumulating outdated entries. As infrastructure teams become increasingly overstretched,  services may be incorrectly shut down without proper cleanup, leaving behind a sprawl of…

Read more
DKIM

First look at DKIM2: The next generation of DKIM

Red Sift

In 2011, the original DomainKeys Identified Mail (DKIM1) standard was published. It outlined a method allowing a domain to sign emails, enabling recipients to verify that the email originated from an entity holding a private key that matches the public key published in the domain’s DNS records. Now in 2024, DKIM is ready for…

Read more
Cybersecurity

Boosting email security amid recent Coinbase phishing attempts

Jack Lilley

In recent weeks, there have been reports of sophisticated phishing attacks disguised as official communication from the cryptocurrency platform, Coinbase. These phishing emails closely mimic Coinbase’s branding and language to build recipient trust and prompt clicks on malicious links. The subject lines of these emails generally follow a format: the sender’s address starts with…

Read more
Cybersecurity

Strengthening U.S. political campaigns against cyber threats: The urgent need for DMARC…

Sean Costigan

Securing political campaigns from cyber threats has never been more urgent. It is critical to secure communications that handle sensitive exchanges with voters, contributors, donations and coordinate complex operations. Campaigns make exceptionally rich targets for cyber espionage and exploitation, with our open-source research, demonstrating nearly 75% of US Senate campaign websites having not achieved…

Read more
BIMI

Gmail announces Common Mark Certificates (CMCs) support for BIMI adoption

Red Sift

Co-authored in partnership with Entrust. Gmail has officially announced its support for Common Mark Certificates (CMCs), enabling organizations to utilize BIMI (Brand Indicators for Message Identification) in Gmail without requiring a registered trademark. This means businesses that have established use of a logo but haven’t gone through the registered trademark process can now incorporate…

Read more