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Discover how it protects against credential theft and why it’s a critical layer in modern... definition proofpoint usmultifactor authenticationmfa https://www.proofpoint.com/us/threat-reference/advanced-persistent-threat What is an Advanced Persistent Threat (APT)? Definition | Proofpoint US An Advanced Persistent Threat is defined as a sophisticated, long-term cyber attack. Learn about APTs and how to protect against them with Proofpoint. advanced persistent threatdefinition proofpoint usapt https://www.proofpoint.com/us/threat-reference/infrastructure-as-a-service-iaas What Is Infrastructure as a Service (IaaS) Definition | Proofpoint US Learn what IaaS (Infrastructure as a Service) is, how it works, key benefits, common use cases, and how it compares to PaaS and SaaS. definition proofpoint usservice iaasinfrastructure https://www.proofpoint.com/us/threat-reference/insider-risk What Is Insider Risk? Management & Definition | Proofpoint US Discover what insider risk is, its impact, and how to effectively mitigate threats to your business. Learn more from Proofpoint. insider risk managementdefinition proofpoint us https://www.proofpoint.com/us/threat-reference/quishing What Is Quishing (QR Phishing)? Definition | Proofpoint US Learn about quishing, a phishing technique using QR codes to trick users into visiting malicious sites or revealing personal info. Protect yourself now. definition proofpoint usquishingqrphishing https://www.proofpoint.com/us/threat-reference/intrusion-prevention-system-ips What Is an Intrusion Prevention System? IPS Definition | Proofpoint US An Intrusion Prevention System (IPS) is a crucial component of any network security strategy, working to identify and protection against threats. intrusion prevention systemdefinition proofpointips https://www.proofpoint.com/us/threat-reference/email-filtering What Is Spam & Email Filtering? Definition | Proofpoint US Learn what email filtering is, how it works, common techniques, and how it protects against spam, phishing, and advanced email-based threats. definition proofpoint usspam emailfiltering https://www.proofpoint.com/us/threat-reference/model-context-protocol-mcp What Is Model Context Protocol (MCP)? Definition | Proofpoint US Learn what the Model Context Protocol (MCP) is, how it standardizes communication between AI models and external tools, and why it matters for scalable, secure... model context protocoldefinition proofpoint usmcp https://www.proofpoint.com/us/threat-reference/casb What Is CASB (Cloud Access Security Broker)? - Definition | Proofpoint US Discover what a cloud access security broker (CASB) is and how it helps organizations gain visibility, secure app usage, and protect sensitive data in the... cloud access securitydefinition proofpoint uscasbbroker https://www.proofpoint.com/us/threat-reference/email-gateway What Is a Secure Email Gateway (SEG)? Definition | Proofpoint US Learn what a secure email gateway is, how it works, and why it’s essential for blocking phishing, malware, and modern email-based threats. secure email gatewaydefinition proofpoint usseg https://www.proofpoint.com/us/threat-reference/data-security What Is Data Security? Definition, Methods & Types | Proofpoint US Discover what data security is, why it matters for modern businesses, and the essential methods used to protect sensitive information from evolving threats. data security definitionmethods typesproofpoint us https://www.proofpoint.com/us/threat-reference/generative-ai What Is Generative AI? Definition, Examples & Security | Proofpoint US Learn about generative AI from Proofpoint. Discover its applications, potential risks, and how to safeguard against AI-driven cybersecurity threats. security proofpoint usgenerative aidefinition examples https://www.proofpoint.com/us/threat-reference/prompt-injection What Is a Prompt Injection Attack? Definition, Examples | Proofpoint US Learn what a prompt injection attack is, how it works, and see real-world examples. Understand the risks and how to defend against them. prompt injection attackexamples proofpoint usdefinition https://www.proofpoint.com/us/threat-reference/ransomware What Is Ransomware? Definition & Prevention | Proofpoint US Discover what ransomware is and how to prevent attacks. Learn the definition of ransomware, its history, detection methods, and more with Proofpoint. prevention proofpoint usransomware definition https://www.proofpoint.com/uk/threat-reference/dkim What Is DKIM? - How It Works, Definition & More | Proofpoint UK DKIM protocol allows organisations to send messages in a way that can be securely authenticated by email providers. Learn how a DKIM record works and more. works definitionproofpoint ukdkim https://www.proofpoint.com/us/threat-reference/malicious-email-attachments Malicious Email Attachments - Definition & Protection | Proofpoint US Learn how a malicious email attachment is capable of destroying data and stealing information. Find out how to protect against malicious attachments with an... protection proofpoint usemail attachmentsmaliciousdefinition https://www.proofpoint.com/us/threat-reference/dkim What Is DKIM? - How It Works, Definition & More | Proofpoint US DKIM protocol allows organizations to send messages in a way that can be securely authenticated by email providers. Learn how a DKIM record works and more. works definitionproofpoint usdkim https://www.proofpoint.com/us/threat-reference/pharming What Is Pharming? - Definition, Examples & More | Proofpoint US A pharming attack involves sending users to fake websites to trick them into divulging private information. Learn the definition of pharming, how it works, and... definition examplesproofpoint uspharming https://www.proofpoint.com/us/threat-reference/regulatory-compliance What Is Regulatory Compliance? - Definition, Plan & More | Proofpoint US Regulatory compliance is a set of rules organizations must follow to protect sensitive information and human safety. Learn the definition and why it’s... regulatory complianceproofpoint usdefinitionplan https://www.proofpoint.com/us/threat-reference/patch-management What Is Patch Management? - Definition & Practices | Proofpoint US Patch management strategies handle the way updates are deployed among a device network for software. Learn how patch management works and best practices to... practices proofpoint uspatch managementdefinition https://www.proofpoint.com/us/threat-reference/insider-threat What Is an Insider Threat? Definition, Detection & Prevention | Proofpoint US Learn what insider threats are, how they occur, and how to detect and prevent them. Explore examples, risks, and best practices for protecting your... prevention proofpoint usinsider threatdefinitiondetection https://www.proofpoint.com/us/threat-reference/platform-as-a-service-paas What Is PaaS (Platform-as-a-Service)? Definition, Examples | Proofpoint US Learn what Platform as a Service (PaaS) is, how it works, and what security risks it introduces, plus best practices to keep your cloud apps and data safe. examples proofpoint uspaas platformservice definition https://www.proofpoint.com/us/threat-reference/cybersecurity What Is Cybersecurity? Definition & Best Practices | Proofpoint US Cybersecurity defines the strategies and practices deployed to shield digital ecosystems from unauthorized access, manipulation, or disruption. definition best practicesproofpoint uscybersecurity https://www.proofpoint.com/us/threat-reference/e-discovery What Is E-Discovery? Definition & How it Works | Proofpoint US E-discovery is a form of digital investigation that attempt to find evidence that could be used in litigation. Learn what Electronic Discovery is and how it... works proofpoint use discoverydefinition https://www.proofpoint.com/uk/threat-reference/email-scams What Is an Email Scam? Examples, Definition & Reporting | Proofpoint UK Learn about email scams, including the definition, examples, and how to protect against all types. Get the information you need from Proofpoint. email scamexamples definitionproofpoint ukreporting https://www.proofpoint.com/us/threat-reference/attack-surface What Is an Attack Surface? Definition & Management Tips | Proofpoint US An attack surface defines cumulative potential entry points through which a system, network, or access sensitive data may be infiltrated. attack surfacemanagement tipsproofpoint usdefinition https://www.proofpoint.com/us/threat-reference/human-centric-security What Is Human-Centric Security? Definition, Design | Proofpoint US Explore the definition and design of human-centric security, focusing on how it prioritizes human behavior to enhance cybersecurity. Learn more from Proofpoint. human centric securityproofpoint usdefinitiondesign https://www.proofpoint.com/us/threat-reference/threat-actor What Is a Cyber Threat Actor? Definition, Types, Examples | Proofpoint US Discover what a cyber threat actor is and how they launch attacks. Explore key types, real-world examples, and expert insights. Learn more with Proofpoint. definition types examplescyber threatproofpoint usactor https://www.proofpoint.com/us/threat-reference/web-security What Is Web Security? - Definition, Importance & More | Proofpoint US Web security leverages strategies to prevent users from introducing threats to the network from a malicious website. Learn the definition, how it works, and... web securitydefinition importanceproofpoint us https://www.proofpoint.com/us/threat-reference/incident-response What Is Incident Response? Definition & Steps | Proofpoint US Incident response contains and eradicates threats when an attacker exploits a vulnerability within an organization. Learn what incident response is and steps... incident responsedefinition stepsproofpoint us https://www.proofpoint.com/us/threat-reference/email-archiving What Is Email Archiving? Definition, Compliance & More | Proofpoint US Email archiving preserves email in a format that can be digitally stored, indexed and searched. Learn how it works and email archiving compliance best... email archivingproofpoint usdefinitioncompliance https://www.proofpoint.com/us/threat-reference/agentic-ai-security What Is Agentic AI Security? Definition & Best Practices | Proofpoint US Discover agentic AI security, including what it is, how it differs from generative AI, key risks, and best practices to secure autonomous AI systems. agentic ai securitydefinition best practicesproofpoint us https://www.proofpoint.com/us/threat-reference/credential-stuffing What Is Credential Stuffing? - Definition & More on Attacks | Proofpoint US Learn about credential stuffing—an automated cyber-attack that attempts various combinations of usernames and passwords until a successful pairing is... credential stuffingproofpoint usdefinitionattacks https://www.proofpoint.com/us/threat-reference/keyloggers What Is a Keylogger? Definition, Removal, Prevention | Proofpoint US Learn what keyloggers are, how they work, and how to prevent credential theft with security best practices that protect people, not just devices. prevention proofpoint uskeyloggerdefinitionremoval