What is email impersonation (and how to prevent it in 2025)?
Email impersonation attacks are evolving. Learn how to implement DMARC, DKIM, and SPF to protect your domain from being weaponized against customers.
What is shadow IT (and what to do about it)?
Learn everything you need to know about shadow IT: what it is, why it happens, the risks it introduces, and (most importantly) what you can do to stop it.
What is a tailgating attack (and how to prevent it)
Explore real-life examples and preventive strategies to help you recognize and deter tailgating attacks from threatening your business, employees, and customers.
DMARC in government: Securing public sector email communications
Learn how DMARC protects government agencies from email threats, compliance requirements, and implementation strategies for the public sector.
What is a baiting attack in social engineering tactics?
Learn everything you need to know about baiting attacks by understanding what they are, how they work, examples, and actionable tips to protect your business.
New year, new DMARC management: 3 signs you need to switch to Valimail
Discover why over 50,000 customers trust Valimail for DMARC management. Simplify solutions, gain support, and cut costs—make the switch this year!
How to stop fake emails with authentication
Stop fake emails and domain spoofing with DMARC. Learn how authentication, monitoring, and Valimail protect your brand from impersonation.
Are you afraid of phishing? The haunting truth behind your email
Are you afraid of phishing? Don’t let email threats haunt your organization; discover top tips and solutions to stay secure.
Subdomain takeover: What it is and how to stop it
Subdomain takeover lets attackers hijack forgotten subdomains to run phishing sites and send fraudulent email. Here’s how it works and how to stop it.
DMARC in higher education: Securing university email systems
Learn the importance of DMARC for universities, the challenges they face implementing it, and the impact of neglecting this non-negotiable security measure.
Learning from loss: Mitigating BEC risks after a half-million dollar cyberattack
A town outside of Boston lost nearly half a million dollars due to a business email compromise (BEC) attack. Learn how to mitigate the risks so it doesn’t happen to you.
What is email spoofing? How it works and ways to prevent it
Learn everything you need to know about email spoofing and how it works to better prevent it and protect your business and customers.