Snowshoe Phishing
A strategy where attackers distribute phishing emails across a vast array of IP addresses and domains in very low volumes to evade reputation-based security filters.
Overview
Like a snowshoe distributing weight to avoid sinking into the snow, attackers spread their phishing volume so thin that traditional Secure Email Gateways (SEGs) do not flag their IPs or domains for spamming. Because each IP only sends a few emails, volume-based threat intelligence is useless. PhiShark renders Snowshoe Phishing obsolete. Because PhiShark's Agentic AI evaluates the *intent*, *context*, and *payload* of every single email independently—rather than relying on historical volume or sender reputation—it effortlessly catches these stealthy, low-volume attacks.
Real-World Examples
- ▸Using thousands of hijacked IoT devices to send a few phishing emails each
- ▸Rotating through hundreds of newly registered domains in a single campaign
- ▸Evading traditional spam filter rate-limiting
Related Terms
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