Best Data Loss Prevention Tools

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.

Most security stacks get unmanageably complex as your business grows. Coro consolidates endpoint, email, cloud, network, identity, data protection, and security awareness training into one unified platform.

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.

Fortinet’s FortiGate line is the company’s Firewall/NGFW offering, covering stateful firewalling, application control, IPS, web filtering, SSL/TLS inspection, and threat-intelligence-backed blocking. It is widely deployed from branch and edge sites to enterprise perimeter and segmentation use cases, with hardware, virtual, and cloud form factors managed through the same Fortinet policy stack. Buyers typically choose it when they need firewall enforcement plus inline inspection and VPN capability in one appliance, especially in environments that already use FortiGuard threat feeds or the Fortinet Security Fabric. Adjacent products include SD-WAN and ZTNA, but those are not the core scope here.

Clearswift Secure Email Gateway is an enterprise email security gateway that inspects inbound and outbound mail for spam, malware, phishing, and data leakage before messages reach users or leave the organization. It is positioned as a deployment-flexible SEG for organizations that need on-premises, virtual appliance, or cloud delivery, and it is used by mid-market and enterprise buyers, including regulated sectors such as financial services, public sector, and defense. Its email scope is centered on threat prevention, content control, and outbound data protection rather than broader security platform functions.

Groovy Security helps enterprises adopt AI without losing control of their data, an AI Security Posture Management (AI-SPM) and GenAI data-protection platform built for complete visibility and inline control. We build two products. Whiteout AI is an AI interaction interception platform that inspects and enforces policy on every AI interaction in real time, across desktop, browser, IDE, MCP agents, and cloud. Its full-LLM detection engine reads context to make decisions on compliant user AI usage. Whiteout AI surfaces shadow AI, stopping sensitive data exfiltration, enforcing security guardrails, and mapping AI-specific compliance across heterogeneous AI environments. Deployed via Groovy Security or hosted by the client organization to maximize data security. Maestro: our AI-driven penetration testing platform, automates security testing across your APIs, cloud, and AI/ML pipelines. Purpose-built for a world where AI is both the innovator and the risk.

Miru is an AI-native insider threat detection and prevention platform that protects organizations from data loss, Shadow AI risks, and malicious insider activity across SaaS environments and endpoints. Founded by cybersecurity veterans with deep expertise in counterintelligence and nation-state threat detection, Miru replaces legacy UEBA and SIEM tools with an identity-anchored architecture that automates investigation workflows and eliminates alert fatigue. The platform combines browser-based telemetry with integrations to identity providers, development platforms, and productivity suites to deliver real-time behavioral analytics and automated response capabilities. Miru enables security teams at high-growth technology companies and enterprises to detect anomalous access patterns, unauthorized data exfiltration, and policy violations without adding headcount, providing the investigation intelligence and endpoint protection modern distributed workforces require.

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.

OpenText Core EDR provides endpoint detection and response integrated with SIEM, SOAR, and vulnerability assessment in a single cloud platform. It deploys a lightweight agent for telemetry collection on endpoints including laptops, servers, and mobile devices, capturing process execution, file changes, network connections, and registry modifications. Built for MSPs managing SMB clients, it uses pre-configured policies, automated playbooks for containment like device isolation and process termination, and CVE-based vulnerability scanning. Global threat intelligence and syslog/API integrations with IT, security, and PSA systems enable multi-client visibility and response without additional vendors.

Palo Alto Networks is a major vendor in the Firewall / NGFW market, best known for PAN-OS-based next-generation firewalls and Cloud NGFW. Its firewalls combine application-aware policy, user-based controls, and threat prevention to inspect traffic, including encrypted sessions, and block known and unknown threats. It fits enterprises that need granular segmentation, internet edge protection, and consistent policy across physical and cloud deployments. Adjacent offerings exist, but the core firewall line remains centered on network traffic control, inspection, and prevention.

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.

Skyhigh Security CASB is a cloud-based, multi-tenant Cloud Access Security Broker that deploys via forward and reverse proxy modes for real-time control over sanctioned and unsanctioned cloud services. It leverages the Cloud Registry for 50+ attribute risk assessments across 20,000+ services, enabling discovery, classification, and remediation. Key capabilities include DLP policy enforcement synced with endpoint DLP, machine learning-based UEBA for insider threat detection, malware analysis, configuration auditing against benchmarks with automated remediation, and contextual access controls. Best suited for enterprises needing comprehensive visibility and governance across hybrid cloud environments with SharePoint integration.

User activity. Insider risk. One 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.

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.