• BEC/Fraud

Attack Type: BEC/Fraud

Business Email Compromise (BEC) and fraud attacks rely on deception and social engineering. Instead of using links or attachments, attackers impersonate trusted figures like coworkers, executives, or vendors to trick you into sharing sensitive information or transferring funds. These attacks can bypass traditional security tools because the emails often seem harmless.
Expect fake invoices, urgent wire transfer requests, or a vendor asking you to update payment details. The first email is usually briefโ€”just enough to start a conversation. The attacker might spoof a display name, reply to an old thread, or ask you to continue the conversation via personal email or phone. That is often the giveaway.
Even though these attacks may appear low-effort, the impact can be significant. They can lead to wire fraud, compliance violations, and damage to the organization's reputation. Organizations lose billions to BEC attacks each year.
Tactics & Techniques (11):
Free email provider
Impersonation: Brand
Social engineering
Encryption
Evasion
Lookalike domain
Impersonation: VIP
PDF
Macros
Out of band pivot
Impersonation: Employee
Detection Methods (9):
Content analysis
Natural Language Understanding
Sender analysis
Header analysis
Optical Character Recognition
File analysis
YARA
URL analysis
Whois
Rule Name & Severity
Last Updated
Author
Types, Tactics & Capabilities
Scam: Piano Giveaway
7d ago
Jun 11th, 2025 UTC
Sublime Security
BEC/Fraud
Free email provider
Content analysis
Natural Language Understanding
Sender analysis
/feeds/core/detection-rules/scam-piano-giveaway-1a91a203
Brand Impersonation: SendGrid
9d ago
Jun 9th, 2025 UTC
Sublime Security
BEC/Fraud
Credential Phishing
Spam
Impersonation: Brand
Social engineering
Content analysis
Header analysis
Natural Language Understanding
Optical Character Recognition
Sender analysis
/feeds/core/detection-rules/brand-impersonation-sendgrid-d800124f
Brand Impersonation: Mailgun
12d ago
Jun 6th, 2025 UTC
Sublime Security
Credential Phishing
BEC/Fraud
Impersonation: Brand
Sender analysis
/feeds/core/detection-rules/brand-impersonation-mailgun-59cc84e6
Encrypted Microsoft Office Files From Untrusted Senders
14d ago
Jun 4th, 2025 UTC
Sublime Security
BEC/Fraud
Callback Phishing
Credential Phishing
Extortion
Malware/Ransomware
Spam
Encryption
Evasion
File analysis
YARA
Sender analysis
/feeds/core/detection-rules/encrypted-microsoft-office-files-from-untrusted-senders-eb7b26e7
Lookalike sender domain (untrusted sender)
19d ago
May 30th, 2025 UTC
Sublime Security
BEC/Fraud
Credential Phishing
Malware/Ransomware
Lookalike domain
Social engineering
Sender analysis
/feeds/core/detection-rules/lookalike-sender-domain-untrusted-sender-67721993
VIP impersonation with BEC language (near match, untrusted sender)
20d ago
May 29th, 2025 UTC
Sublime Security
BEC/Fraud
Impersonation: VIP
Social engineering
Content analysis
Natural Language Understanding
Sender analysis
/feeds/core/detection-rules/vip-impersonation-with-bec-language-near-match-untrusted-sender-303081da
VIP / Executive impersonation (strict match, untrusted)
20d ago
May 29th, 2025 UTC
Sublime Security
BEC/Fraud
Impersonation: VIP
Header analysis
Sender analysis
/feeds/core/detection-rules/vip-executive-impersonation-strict-match-untrusted-e42c84b7
VIP impersonation with urgent request (strict match, untrusted sender)
20d ago
May 29th, 2025 UTC
Sublime Security
BEC/Fraud
Impersonation: VIP
Social engineering
Content analysis
Content analysis
Natural Language Understanding
Sender analysis
/feeds/core/detection-rules/vip-impersonation-with-urgent-request-strict-match-untrusted-sender-0dd1fa60
Fake request for tax preparation
21d ago
May 28th, 2025 UTC
Sublime Security
BEC/Fraud
Malware/Ransomware
Social engineering
Content analysis
Natural Language Understanding
Sender analysis
/feeds/core/detection-rules/fake-request-for-tax-preparation-e36b85b3
Free Email Provider Sender with Mismatched Provider Reply-To
26d ago
May 23rd, 2025 UTC
Sublime Security
BEC/Fraud
Credential Phishing
Free email provider
Social engineering
Header analysis
Sender analysis
/feeds/core/detection-rules/free-email-provider-sender-with-mismatched-provider-reply-to-fcd831d0
Service Abuse: HelloSign Share with Suspicious Sender or Document Name
26d ago
May 23rd, 2025 UTC
Sublime Security
Callback Phishing
BEC/Fraud
Evasion
Social engineering
Sender analysis
Header analysis
Content analysis
/feeds/core/detection-rules/service-abuse-hellosign-share-with-suspicious-sender-or-document-name-464d98f3
Attachment: USDA Bid Invitation Impersonation
26d ago
May 23rd, 2025 UTC
Sublime Security
BEC/Fraud
Impersonation: Brand
PDF
Macros
Social engineering
Content analysis
File analysis
Header analysis
Natural Language Understanding
Optical Character Recognition
Sender analysis
/feeds/core/detection-rules/attachment-usda-bid-invitation-impersonation-34eb9493
PayPal Invoice Abuse
26d ago
May 23rd, 2025 UTC
Sublime Security
BEC/Fraud
Callback Phishing
Evasion
Social engineering
Content analysis
Header analysis
Sender analysis
/feeds/core/detection-rules/paypal-invoice-abuse-0ff7a0d4
Request for Quote or Purchase (RFQ|RFP) with suspicious sender or recipient pattern
1mo ago
May 14th, 2025 UTC
Sublime Security
BEC/Fraud
Evasion
Free email provider
Content analysis
Natural Language Understanding
URL analysis
/feeds/core/detection-rules/request-for-quote-or-purchase-rfqorrfp-with-suspicious-sender-or-recipient-pattern-2ac0d329
Link: Display Text Matches Subject Line
1mo ago
May 9th, 2025 UTC
Sublime Security
BEC/Fraud
Credential Phishing
Social engineering
Evasion
Header analysis
Content analysis
Natural Language Understanding
URL analysis
/feeds/core/detection-rules/link-display-text-matches-subject-line-ba722cf0
HR Impersonation via E-sign Agreement Comment
1mo ago
May 5th, 2025 UTC
Sublime Security
BEC/Fraud
Credential Phishing
Evasion
Impersonation: Brand
Out of band pivot
Social engineering
Content analysis
Header analysis
Natural Language Understanding
Sender analysis
/feeds/core/detection-rules/hr-impersonation-via-e-sign-agreement-comment-796c6f0f
Service Abuse: Adobe Sign Notification From an Unsolicited Reply-To Address
1mo ago
Apr 30th, 2025 UTC
Sublime Security
BEC/Fraud
Callback Phishing
Spam
Social engineering
Impersonation: Brand
Header analysis
Sender analysis
/feeds/core/detection-rules/service-abuse-adobe-sign-notification-from-an-unsolicited-reply-to-address-d00893ba
Callback Phishing: SumUp Infrastructure Abuse
2mo ago
Apr 18th, 2025 UTC
Sublime Security
BEC/Fraud
Callback Phishing
Evasion
Social engineering
Content analysis
Header analysis
Sender analysis
/feeds/core/detection-rules/callback-phishing-sumup-infrastructure-abuse-1c41649e
Generic Service Abuse From Newly Registered Domain
2mo ago
Apr 15th, 2025 UTC
Sublime Security
BEC/Fraud
Callback Phishing
Credential Phishing
Evasion
Social engineering
Header analysis
Sender analysis
Whois
/feeds/core/detection-rules/generic-service-abuse-from-newly-registered-domain-0937b4c5
Impersonation: Human Resources with link or attachment and engaging language
2mo ago
Apr 14th, 2025 UTC
Sublime Security
BEC/Fraud
Credential Phishing
Impersonation: Employee
Social engineering
Content analysis
Header analysis
Natural Language Understanding
Sender analysis
/feeds/core/detection-rules/impersonation-human-resources-with-link-or-attachment-and-engaging-language-8c95a6a8