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https://www.proofpoint.com/us/threat-reference/retrieval-augmented-generation-rag What Is RAG (Retrieval-Augmented Generation) Definition | Proofpoint US Discover what Retrieval-Augmented Generation (RAG) is and how combining LLMs with external data improves accuracy, context, and reliability in AI responses. rag retrieval augmented definition proofpoint us generation https://www.proofpoint.com/us/threat-reference/firewall What Is a Firewall? - Definition | Proofpoint US Firewalls are your first line of security defense and gatekeeper to a digital network. Read on to learn the definition, how they work, and more. definition proofpoint us firewall https://www.proofpoint.com/us/threat-reference/agentic-ai What Is Agentic AI? Definition | Proofpoint US Explore the power of Agentic AI in cybersecurity, understanding its autonomous capabilities and strategic applications in complex tasks. Learn more with... agentic ai definition proofpoint us https://www.proofpoint.com/us/threat-reference/osi-model What Is OSI Model? Open Systems Interconnection Definition | Proofpoint US The OSI Model (Open Systems Interconnection) defines how networks send data from sender to recipient. Read on to learn the OSI Model definition. open systems interconnection definition proofpoint us osi model https://www.proofpoint.com/us/threat-reference/cyber-threat What Is a Cyber Threat? Definition | Proofpoint US Explore the definition of cyber threats from Proofpoint. Learn the different types and how they can impact individuals and organizations in the digital... definition proofpoint us cyber threat https://www.proofpoint.com/us/threat-reference/multifactor-authentication What Is Multifactor Authentication (MFA)? Definition | Proofpoint US Learn what multifactor authentication (MFA) is and its definition. Discover how it protects against credential theft and why it’s a critical layer in modern... definition proofpoint us multifactor authentication mfa 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 threat definition proofpoint us apt 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 us service iaas infrastructure 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 management definition 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 us quishing qr phishing 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 system definition proofpoint ips 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 us spam email filtering 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 protocol definition proofpoint us mcp 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 security definition proofpoint us casb broker 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 gateway definition proofpoint us seg 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 definition methods types proofpoint us

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