SUPPLIER THREAT PROTECTION

Stop Supply Chain Attacks That Exploit Trusted Third Parties

Protect your organization against fraud, data exposure, and credential theft originating from hijacked supplier and third-party accounts.

Security professional reviewing third-party risk data on multiple computer screens.
Close-up of hands typing on a keyboard, representing third-party cyber risk and threat activity.

Defend against the most trusted attack vector

Attacks that exploit trusted supplier relationships often bypass traditional security controls. Supplier Threat Protection, part of Proofpoint Collaboration Security Prime, continuously analyzes sender behavior, communication patterns, and global threat intelligence to detect and stop these threats early.

Protect employees from trusted sender fraud

Prevent financial loss and account compromise caused by attacks that abuse trusted supplier identities.

Empower users at the moment trust is exploited

Train employees to recognize suspicious supplier communications and avoid costly mistakes.

Protect supplier trust and reduce long-term risk

Alert your suppliers and partners to potential compromise, helping stop attacks at the source.

Supplier Account Compromise

Third-party relationships carry hidden risk

Supplier relationships now reach beyond email into collaboration tools, giving attackers more places to exploit trust. When a supplier account is hijacked, fraudulent messages come from a legitimate account, so they often bypass domain- and authentication-based defenses. Attackers use that trust to launch multichannel supply chain fraud, steal credentials, and exfiltrate data.

267

days to identify and contain a supply chain compromise

IBM, 2025.

$4.91 M

avg. cost of a supply chain compromise

IBM, 2025.

Advanced threat protection against compromised supplier accounts

Proofpoint Supplier Threat Protection strengthens cyber supply chain risk management with AI-powered detection that identifies when a trusted external account has been hijacked. With complete risk context, security teams can respond before your users fall victim to fraud, data exposure, or credential theft by a compromised account.

Features

AI-Powered Detection and Blocking

Automatically block malicious supplier emails before delivery using behavioral AI and global threat intelligence.

Continuous Supplier Risk Visibility

Get deep insight into which suppliers may be compromised, how attackers are abusing them, and which users are affected.

Adaptive User Safeguards

Add warning tags and enforce browser isolation for risky messages without disrupting legitimate business.

Evidence for Supplier Remediation

Share clear, actionable evidence with affected suppliers to coordinate faster fixes and prevent repeat incidents.

Built on Collaboration Security Prime

Extend Proofpoint Nexus AI detection beyond email and correlate supplier risk across channels.

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Why Proofpoint

Proofpoint vs. authentication-based email defense

CapabilityAuthentication-Based DefenseProofpoint Supplier Threat Protection
Compromise detectionChecks SPF, DKIM, and DMARC results that a hijacked supplier account still passesLearns normal supplier communication patterns to catch compromise that authentication checks miss
Supplier visibilityConfirms who sent each message without showing which suppliers are compromisedMaintains a living map of supplier exposure so you manage risk before incidents happen
Early warningChecks each message on arrival with no view of compromise elsewhere in the ecosystemSpots compromised suppliers across the ecosystem using threat data from more than 3.4 million customers
Investigation workflowLogs authentication results with no link to related email, cloud, or account takeover activityLinks supplier activity to related email, cloud, and account takeover signals in one console to speed containment
Channel coverageCovers email sender domains only, which leaves collaboration channels outside its scopeTraces supplier compromise across channels and attack stages to prioritize the most urgent threats
Professional using a smartphone in an office, representing protection from email-based attacks.

Unified Platform

Stop supplier threats across email and collaboration

Supplier Threat Protection is part of Proofpoint Collaboration Security Prime. One integrated platform extends email security to messaging and collaboration tools, cloud apps, and the supply chain.

Request a Demo

Detect compromised suppliers, prevent fraud, and protect users across email and collaboration platforms.

Frequently Asked Questions

Cyber supply chain risk management is the practice of reducing cybersecurity risk from suppliers, vendors, and other third parties. It combines governance, such as vendor assessments, with technical controls that detect active threats. Detecting compromised supplier accounts is one of those controls, because attackers can exploit trusted supplier relationships to reach your organization.

A compromised supplier account is a legitimate vendor or third-party email account that an attacker has taken over and uses to launch fraud, steal credentials, or exfiltrate data. It is hard to detect because messages come from a real, authenticated sender, so they often bypass domain- and authentication-based defenses. Attackers also exploit the trust employees place in familiar suppliers.

Preventing these attacks takes three controls working together: visibility into which suppliers communicate with you, behavioral detection that spots compromise even from authenticated accounts, and protections that guide users at the moment of risk. Proofpoint Supplier Threat Protection brings these controls together to defend against supplier-driven fraud, credential theft, and data exfiltration.

SPF, DKIM, and DMARC verify that a message comes from an authorized sender. A hijacked supplier account is an authorized sender, so its messages pass those checks. Detecting the compromise depends on behavioral analysis of how the supplier normally communicates, which Proofpoint Supplier Threat Protection provides.

Third-party risk management (TPRM) programs assess and govern supplier risk as part of cyber supply chain risk management. Stopping supplier compromise detects when a supplier account is actively being used to attack your organization. The two approaches complement each other. Proofpoint Supplier Threat Protection adds continuous visibility into compromised supplier accounts and blocks the malicious messages they send.

Proofpoint Supplier Threat Protection uses Proofpoint Nexus AI and global threat intelligence to learn normal supplier communication patterns, then flags subtle changes in behavior, even from authenticated domains. It blocks malicious supplier emails before delivery and adds warning tags and browser isolation to riskier messages, helping defend against supplier-driven fraud such as business email compromise.

Yes. Proofpoint Supplier Threat Protection is included in Proofpoint Collaboration Security Prime, which extends Proofpoint Nexus AI threat detection beyond email. Security teams can trace supplier compromise across channels and attack stages to find the most urgent threats and contain them. Supplier activity links automatically to related email, cloud, and account takeover signals.