Guides
Verifying an email sender's domain against typosquatting variantsInboxes across Sydney, Melbourne and Brisbane stay full of messages pretending to come from well-known organisations. The Australian Cyber Security Centre…How Phishing Groups Exploit Domains With Prior Good ReputationPhishing operations have grown more methodical, with criminal networks treating domain acquisition as a strategic investment rather than a throwaway activity.…Building a Response Playbook for a Sudden Domain Trust DropDomain reputation used to live quietly in email infrastructure. For Australian organisations sending from .au namespaces, a sharp drop can surface within hours…When DMARC and SPF alignment conflict: what receivers noticeEmail authentication has become a layered puzzle for many senders, especially when protocols like SPF and DMARC are configured without a clear strategy. A…Finding SPF-Active Domains That Still Lack DKIM Through Bulk ChecksEmail authentication is one of those quiet back-office tasks that Australian IT teams keep pushing down the to-do list until something goes wrong. A bulk…Why Domain Trust Scores Matter in User-Submitted Phishing ReportsEvery week, inboxes from Brisbane boardrooms to Perth home offices are flooded with suspicious emails. Staff dutifully forward dodgy messages to IT, hoping the…-migration email security audit for domains you're acquiringWhen an Australian business absorbs another company or picks up a portfolio of legacy domains, the excitement of growth can quickly give way to unwelcome…What a Flood of DMARC Reports Reveals About Your InfrastructureDMARC reports arrive like weather forecasts for your sending domain, yet many teams across Sydney and Melbourne treat them as background noise. When a single…Detecting forged emails that pass DKIM via a stolen subdomain keyEmail authentication has long given organisations a false sense of safety. A message showing a green DKIM signature looks legitimate, the cryptographic seal…What WHOIS Privacy Reveals About a Domain's Trustworthiness as a SenderWhen an unfamiliar sender lands in your inbox, most people run a quick WHOIS lookup hoping to find a real name or address. What many Australians discover…