Email Security Blog
How to Share Suspicious Links Safely: A Practical Guide to Using a URL Defanger
Introduction: Why Sharing Suspicious Links Safely Matters Suspicious links show up everywhere today, in email threads, chat messages, support tickets, and even calendar invites. When you handle those links, you juggle two goals at once, you need to investigate and...
E-Discovery Under Lock and Key: Protecting Sensitive Case Emails in Litigation
Introduction E-discovery is the process of identifying, preserving, collecting, reviewing, and producing electronically stored information for litigation or investigations. When people talk about secure e-discovery communications, they mean handling all of the conversations around that process in a way that...
Why SPF Records Are Your First Line of Defense Against Email Spoofing (and How to Check Them for Free)
Introduction Sender Policy Framework, often shortened to SPF, is a simple but powerful way to tell the world which servers are allowed to send email for your domain. When it is configured correctly, SPF helps mail providers decide whether to...
What Are MX Records? The Hidden DNS Setting That Can Break (or Save) Your Email
Introduction Domain Name System, or DNS, is the address book of the internet that tells systems where to send traffic. Within DNS, Mail Exchange, or MX, records play a special role for email. They tell other mail servers where to...
Encrypt or Expose? Navigating Email Encryption and FOIA in Government
Introduction Public records and open government principles are at the heart of democratic accountability. Citizens, journalists, and watchdog groups expect timely access to government information, even as more of that information moves into digital channels. Email has quietly become the...
How to Read Email Headers Like a Pro: Using an Email Analyzer to Spot Phishing and Spoofing
Introduction Every email you receive carries much more information than what you see in the subject line and body. Behind the scenes, the email header records how the message traveled across the internet, who actually sent it, and which security...
Beyond FERPA: A 360° Approach to Protecting Student Data in Emails
Introduction Student data privacy is under more pressure than ever in both K-12 and higher education. Schools and universities are handling sensitive information about grades, health, finances, and personal situations in an environment where attackers are increasingly focused on education...
Phishing Blackouts: How Email Scams Could Disrupt the Energy Sector (and How to Prevent It)
Introduction Utilities and energy providers sit at the heart of modern life. That also makes them highly attractive targets for phishing campaigns that seek to hijack accounts, steal data, and disrupt operations. Email is still the primary way operators, engineers,...
Phishing High Rollers: How Casinos Can Shield VIP Clients from Email Scams
Introduction Email phishing is no longer a nuisance for casinos, it is a direct threat to your highest value players and your brand. Attackers know that VIPs control large bankrolls, move money frequently, and expect fast, personalized service by email....