Spam & Phishing Samples
Curated corpora of spam, phishing, and BEC attacks -- the training data every email security company needs fresh daily.
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Find Me This Data →Overview
What Is Spam & Phishing Samples?
Spam and phishing samples are curated corpora of real-world attack emails—including phishing messages, business email compromise (BEC) attacks, and spam—that serve as training data for email security platforms. These datasets are essential for building and continuously improving machine learning models that detect sophisticated threats in real time. With 3.4 billion phishing emails sent daily and over 3.8 million unique phishing attack sites detected annually, fresh samples remain critical infrastructure for every major email security vendor. The data covers email-based phishing, BEC scams, brand impersonation attacks, callback phishing, malicious attachments, and social engineering schemes that bypass legacy filters.
Market Data
3.4 billion
Phishing emails sent daily
Source: AAG IT / industry data
3.8 million
Unique phishing attack sites (2025)
Source: Anti-Phishing Working Group
$2.48 billion
Phishing protection market size (2024)
Source: Grand View Research
$7.16 billion
Projected market size (2033)
Source: Grand View Research
$25 billion
Global annual phishing losses
Source: SentinelOne 2026
Who Uses This Data
What AI models do with it.do with it.
Email Security Vendors
Companies like Proofpoint, Microsoft, Abnormal Security, and Cofense ingest fresh phishing samples daily to retrain AI-powered detection models that identify email-based attacks, BEC scams, and social engineering tactics in real time.
Enterprise Security Teams
Organizations use phishing samples to build internal detection rules, run security awareness simulations, and validate that their email gateways catch emerging threat patterns before they reach end users.
Cybersecurity Research & Threat Intelligence
Researchers analyze phishing corpora to track evolving attack vectors, identify brand impersonation campaigns, study AI-boosted phishing techniques, and benchmark threat sophistication across regions and industries.
Compliance & Risk Management
Regulated enterprises in finance, healthcare, and government use phishing samples to meet security framework requirements, demonstrate due diligence, and reduce breach risk from email-based social engineering.
What Can You Earn?
What it's worth.worth.
Volume-based licensing
Varies
Large email security vendors license phishing corpora on per-sample, annual subscription, or volumetric tiers based on organizational size and detection needs.
API access & real-time feeds
Varies
Vendors offer tiered API access for continuous sample ingestion, ranging from small feeds for mid-market to enterprise-scale pipelines for Fortune 500 security operations.
Research & academic licenses
Varies
Universities and non-profit security researchers may negotiate custom arrangements for phishing dataset access for threat research and publication.
What Buyers Expect
What makes it valuable.valuable.
Freshness & Daily Updates
Email security vendors require new samples daily to keep detection models current. Phishing sites last an average of just 12 hours before takedown, so corpora must capture attacks in real time.
Authenticity & Real-World Attacks
Samples must come from active, detected phishing campaigns—not synthetic or aged data. Buyers validate against APWG, FBI IC3, and Verizon DBIR threat reports to ensure samples represent actual attack patterns.
Comprehensive Attack Taxonomy
Quality datasets include email-based phishing, BEC, brand impersonation, callback phishing, malicious attachments (.ics, Office docs), recruitment scams, and social engineering schemes with proper labeling.
Metadata & Context
Buyers expect rich metadata: sender domain, URL patterns, attachment hashes, targeted industry/brand, and campaign linkage to enable behavioral analysis and threat correlation.
Regulatory Compliance & Privacy
Samples must be de-identified and legally sourced, meeting GDPR, HIPAA, and other regulations. Enterprise customers validate data provenance and consent before integration.
Companies Active Here
Who's buying.buying.
Leading email security vendor integrating phishing samples into cloud-native detection and automated remediation workflows for enterprise BEC and phishing protection.
Uses phishing samples to enhance Microsoft 365 Defender and Outlook email filtering, protecting against threats targeting cloud collaboration tools.
AI-driven platform leveraging phishing corpora for behavioral email analysis and contextual threat detection across Fortune 500 enterprises.
Email security platform consuming phishing samples to power advanced threat protection, URL scanning, and automated incident response workflows.
Phishing defense specialist using real-world attack samples to train employee reporting engines and advanced threat intelligence for enterprise security operations.
FAQ
Common questions.questions.
Why do email security vendors need fresh phishing samples every day?
Phishing attacks evolve rapidly—attackers use AI, new domains, brand impersonation, and social engineering tactics that bypass legacy rules. With 3.4 billion phishing emails sent daily and 3.8 million unique attack sites detected in 2025, vendors must retrain detection models continuously to catch emerging threats before they reach customers.
What types of phishing attacks are included in these datasets?
Quality corpora cover email-based phishing, business email compromise (BEC), brand impersonation campaigns (Microsoft, Amazon, Facebook), callback phishing, recruitment scams, malicious calendar invites (.ics files), attachment-based threats, and social engineering schemes that impersonate trusted entities.
How fast do phishing websites get taken down, and does that affect data value?
Phishing sites last an average of just 12 hours before takedown. This rapid lifecycle makes real-time sample feeds critical—vendors need to ingest and analyze attacks within hours of detection to be effective. Historical samples have limited value unless they represent persistent attack patterns or brand impersonation trends.
What is the business impact of phishing attacks that these datasets help prevent?
Global phishing losses total $25 billion annually, with $17,700 lost every minute. Business email compromise alone cost U.S. victims $2.77 billion in 2024. Phishing appears in 36% of all data breaches and is the initial attack vector in 16% of breaches, making detection critical for enterprise risk management.
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