Best Data Loss Prevention (DLP) Tools

Cloudflare started as a simple application to find the source of email spam. From there it grew into a service that protects websites from all manner of attacks, while simultaneously optimizing performance.

Barndoor is one platform for AI access, safety, and control.

Barracuda is a leading cybersecurity company providing complete protection against complex threats

Bitglass provides a multi-mode CASB that secures SaaS applications, IaaS instances, data lakes, and private apps via forward proxy, reverse proxy, and API integrations. It delivers real-time data protection and threat prevention using machine-learning to adapt to new cloud apps, malware, and user behaviors. The agentless architecture offers end-to-end visibility, prevents data leakage, and limits external sharing. As part of its integrated SASE platform with SmartEdge SWG and ZTNA, Bitglass suits enterprises adopting cloud and BYOD while addressing compliance gaps in dynamic environments.

Broadcom Symantec Data Loss Prevention (DLP) is an enterprise-grade information protection platform that discovers, monitors, and prevents unauthorized transmission of sensitive data across endpoints, networks, cloud applications, and databases. The solution serves large enterprises requiring comprehensive data visibility and policy enforcement across hybrid environments. DLP 25.1 is positioned for organizations managing complex compliance requirements including GDPR, HIPAA, and PCI-DSS, with particular strength in preventing data exfiltration through endpoint agents and network detection servers.

Check Point Software Technologies is a global leader in cyber security solutions, dedicated to protecting corporate enterprises and governments worldwide.

Cisco Umbrella is a cloud-delivered Security Service Edge (SSE) solution that enforces zero trust by continuously verifying identity, device posture, and context before granting access to applications. It converges multiple security functions, secure web gateway, firewall-as-a-service, cloud access security broker, and zero trust network access, into a unified cloud platform. Cisco Umbrella serves enterprises requiring distributed security across remote workers, branch offices, and on-premises infrastructure without complete network architecture overhauls.

We help businesses discover, understand, and protect sensitive information across cloud and on-prem environments. Our AI-powered data security governance solutions deliver precise visibility, automated protection, and safe AI adoption, so organizations can reduce risk, strengthen compliance, and confidently innovate without compromising what matters most.

One of the world's leading developers of cross-platform Data Loss Prevention (DLP), eDiscovery, and Device Control solutions

Cyberhaven protects data across human and agentic workflows, adapting protection to changing context.

Cyera is a pioneer in the data security space that empowers security leaders to discover their data attack surface, control the use of data, monitor, detect, and quickly remediate risk.

By consolidating visibility and control across your organization and providing everything you need out of the box, Cylerian makes IT simpler and safer.

DataPatrol is a next-generation software company innovating in the security and privacy of your organization's data and information. Data security is paramount, which is why DataPatrol uses innovative, easy-to-use solutions to protect sensitive, highly confidential data from disclosure to unauthorized parties.

Fortra brings an AI-powered cybersecurity platform to enable safe AI usage and protect against AI-driven threats.

Enable secure and compliant email communication without adding friction. Make it easy for your teams, customers, and partners to work securely and prevent data leaks using encrypted email and simplified DLP policies.

Building Digital Trust, and More

GTB Technologies provides content-aware Data Loss Prevention (DLP) platform covering data at rest, in motion, and in use across on-premises, cloud, and off-network endpoints. It performs real-time inspection and classification of outbound/inbound transmissions via all protocols, using patented fingerprinting for exact and partial content matches at binary and text levels. Key components include Network DLP, Endpoint Protector, Data Discovery with classification, Content-Aware DRM, and Stealthfence for Shadow IT. Best suited for enterprises needing comprehensive channel coverage, enforcement actions like blocking exfiltration, and compliance with regulations via 100% catch rates on fingerprinted data.

Island provides the Island Enterprise Browser, a Chromium-based browser that replaces or coexists with standard browsers to isolate corporate web activity. It executes all web traffic natively on the endpoint, blocking malicious JavaScript across APIs like WebRTC and WebGL, and enables mitigations including Arbitrary Code Guard, Control Flow Enforcement, and Control Flow Guard. Unlike remote browser isolation, it avoids video streaming latency by rendering directly in-browser. Features include conditional access controls based on identity, device, network, and location; DLP for copy/paste, screenshots, print, and downloads; and app boundaries to prevent data leakage. Best for enterprises seeking zero-trust browser security without VPNs or RBI infrastructure.

Jazz is an AI-native Data Loss Prevention platform that utilizes Large Language Models (LLMs) to understand the context and business intent behind data movement. Unlike legacy DLP which relies on rigid regex or static rules, Jazz focuses on "meaning" to identify exfiltration and insider threats across SaaS, web, and endpoint. It aims to eliminate the excessive false positives typically associated with enterprise DLP deployments while protecting sensitive IP.

Kiteworks (formerly Accellion) provides a Private Data Network that unifies and secures sensitive content communications across email, file sharing, SFTP, and MFT. It provides a hardened virtual appliance and centralized management to ensure compliance with standards like CMMC, GDPR, and HIPAA. The platform replaces fragmented, unmanaged file sharing methods with a single, audited platform for data in motion and at rest.

ManageEngine PAM360 is a unified Privileged Access Management platform that centralizes governance of privileged credentials, sessions, and accounts across IT infrastructure for humans and non-human entities. It stores credentials in an encrypted vault with automated rotation, enforces Just-In-Time elevation, and provides session recording with command filtering. Trusted by over 5000 organizations and government agencies, it suits enterprises needing comprehensive PAM with endpoint privilege management, behavioral anomaly detection via AI/ML, and role-based access controls. Best for mid-to-large IT teams managing hybrid environments with strict compliance requirements.

Material Security secures the productivity suite by stopping attacks and reducing risk across Microsoft 365 and Google Workspace with unified cloud email and file security, data loss prevention and posture management.

As a pioneer of browser security, Menlo Security delivers a solution with a comprehensive approach to enterprise browser security, protecting users where they work and securing applications from internet-borne attacks.

Metomic is AI data security for enterprise SaaS, the control plane for sensitive data across every SaaS tool and every AI surface. We find it, fix it, and prove it. Content-level scanning inside Slack, Jira, Confluence, Drive, SharePoint, Salesforce, and more. Automated remediation that revokes sharing, redacts PII, notifies owners, and coaches users at the point of risk. Metomic Cleanser delivers a redacted copy of sensitive content that's safe for an LLM to consume.

Microsoft Defender for Cloud is a multicloud CSPM platform that provides continuous security posture assessment across Azure, AWS, and GCP. It delivers agentless vulnerability scanning, misconfiguration detection, and compliance monitoring against industry benchmarks (CIS, NIST, ISO, PCI-DSS). The platform generates hardening recommendations ranked by risk and includes attack path analysis to identify exploitable chains. Defender for Cloud serves enterprises managing hybrid and multicloud infrastructure seeking unified posture visibility and compliance reporting.

Mimecast protects the work of every person in the organization, across every channel, from every actor, human and AI.

Netskope provides Netskope One Data Loss Prevention (DLP), a cloud-delivered solution integrated into its Security Service Edge (SSE) platform for zero trust data protection. It secures sensitive data across SaaS, IaaS, private apps, web, email, endpoints, and AI environments using unified classification, policy enforcement, and incident management. The patented lightweight endpoint agent enables context-aware inspection of local peripherals like USB drives with cloud-based ML classifiers, OCR, file fingerprinting, and exact data matching (EDM). Best for enterprises needing consistent DLP coverage in hybrid and cloud-native setups with high detection accuracy.

AI-native data loss prevention and insider threat detection platform that discovers, classifies and protects sensitive data across SaaS, GenAI, endpoint and email. Detects unauthorized uploads, shadow AI usage, exfiltration and policy violations in real-time using ML-based classifiers, replacing legacy DLP and UEBA with autonomous behavioral monitoring and prevention before data loss happens.

Opsin provides a specialized security posture management platform for enterprise AI applications like Microsoft 365 Copilot and ChatGPT Enterprise. The platform focuses on preventing sensitive data leakage and oversharing caused by overly permissive AI agent configurations or user interactions. It complements existing DLP and IAM solutions by providing granular visibility into how AI models access and expose internal organizational data.

We believe organizations should be able to trust their data in motion. Not by locking it down, slowing people down, or writing endless rules, but by understanding where data is going, how it is being used, and when movement becomes risk.

Become the market leader for HIPAA compliant email security

Perimeter 81, acquired by Check Point in 2023 and rebranded as Harmony SASE, delivers a cloud-native Secure Access Service Edge (SASE) platform consolidating networking, Zero Trust Network Access (ZTNA), secure web gateway (SWG), and cloud access security broker (CASB) for remote and hybrid workforces. It replaces legacy VPNs with software-defined perimeters, IPSEC tunnels, and WireGuard connectors to private applications, enforcing granular policies based on identity, device posture, geo-location, and time. Best suited for mid-sized enterprises migrating to cloud environments seeking unified SSE without hardware deployments.

Proofpoint is a human-centric cybersecurity platform focused on protecting organizations from email-based and identity-driven attacks such as phishing, business email compromise (BEC), and social engineering. It secures inbound and outbound communications using advanced threat detection, AI-driven impersonation analysis, URL and attachment sandboxing, and behavioral risk signals. Beyond email protection, it extends into data loss prevention (DLP), insider threat detection, and security awareness training to reduce human risk across the organization. The platform integrates across email, cloud applications, and collaboration tools to protect sensitive data and stop attacks targeting users.

We believe a better world starts with privacy and digital freedom

The quickest way to see, understand and secure your data and AI

Reco is the leader in Agentic Ecosystem Security, securing everything around the agent, not just the prompt.

Riot Security is a security awareness and employee security posture management platform focused on reducing human-risk exposures through training, phishing simulations, and employee-facing security nudges. Based on the available product information, it is positioned for companies that want to run ongoing awareness programs for distributed teams rather than one-off training courses. The product appears best suited for small to mid-sized organizations that need Slack- or Teams-based delivery, breach notifications, and phishing exercises as part of a structured awareness program. Adjacent employee posture features are mentioned by the vendor, but the core fit is security awareness.

Secure file sharing your business can trust

Sophos defeats cyberattacks with an adaptive AI-native open platform and unmatched security expertise.

Spambrella is the best email security and continuity solution to strengthen your business reputation, encrypt sensitive data, and meet regulatory requirements. We provide effective email protection services and real-time cyber threat detection while spreading user awareness among stakeholders.

Datadog is the leading observability and security platform for the AI era, providing businesses with unified visibility across the technology stack to manage complexity at scale.

Steg.AI provides advanced forensic watermarking and content provenance technology to protect digital assets from leaks, deepfakes, and unauthorized distribution. The platform embeds invisible, robust metadata into images, video, audio, and documents that survives compression, cropping, and file conversion. It complements DLP solutions by providing a trackable 'fingerprint' for content even after it leaves controlled environments, specifically targeting media integrity.

User activity. Insider risk. One platform.

Tessian was a human-layer email security vendor that used machine learning to stop data loss, BEC, phishing, and accidental disclosure in email workflows. In an Encryption & Key Management profile, it is best understood as a control that reduces the need to send sensitive data unprotected, rather than a full cryptographic key management system. It fit enterprises already using Microsoft 365 and seeking policy-based email protection with DLP-style controls and user coaching. Tessian was later folded into Proofpoint, so this profile reflects a product-line capability set rather than an independent encryption platform.

Trellix Helix is a SaaS security operations platform that unifies SIEM, SOAR, and threat intelligence, integrating over 600 Trellix and third-party tools for multi-vector threat detection and response. It augments existing SIEMs with analytics, behavioral analysis, and workflow automation, enabling correlated investigations across endpoints, networks, and cloud environments. Best suited for enterprises seeking XDR capabilities without replacing legacy SIEMs, it leverages Trellix's global threat intelligence for contextual IOCs and TTP-based rules, streamlining alert triage and containment.

Trend Micro offers integrated Data Loss Prevention (DLP) functionality embedded within its broader endpoint security and email security platforms. The iDLP module provides lightweight agent-based monitoring across endpoints, email, USB devices, and web channels without requiring dedicated hardware. Trend Micro positions DLP as a cost-effective alternative to standalone enterprise solutions, leveraging pre-built regional and industry-specific policy templates. Best suited for organizations already invested in Trend Micro's endpoint protection or email security infrastructure seeking consolidated data protection without additional management overhead.

Powered by the Trusted Data Format, Virtru's Data Security Platform, and the products built on top of it, make it easy to share information without sacrificing security, privacy, and control.

The Agentic Ecosystem Security Platform. Powered by DataMatrix™, Vorlon's patented intelligent simulation engine, the platform monitors every agent action, detects threats across the full integration layer, and enforces data security in real time across every system AI agents touch.

YazamTech Ltd. is a specialized cybersecurity vendor focused on Content Disarm & Reconstruction (CDR) technology, not a dedicated Email Security platform. While their CDR solutions can be applied to sanitize files within email streams to block infected attachments, they do not offer core email security capabilities like spam filtering, phishing detection, BEC prevention, or secure email gateways. The company is best positioned as a data security specialist for organizations needing to neutralize advanced threats in file streams, rather than as an email security buyer's primary solution. Their market position is niche within data sanitization, not email protection.

Zscaler provides a cloud-native Zero Trust Exchange platform with over 150 global POPs, processing 200 billion+ daily transactions for secure user-to-application connectivity. It delivers Zscaler Internet Access (ZIA) as a security service edge (SSE) with secure web gateway (SWG), full SSL inspection, and Zscaler Private Access (ZPA) for zero trust network access (ZTNA) replacing VPNs. Backed by machine learning from massive scale, it offers 200,000+ daily security updates. Best for distributed enterprises needing low-latency protection for remote users, SaaS, and private apps without legacy hardware.