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Zero-Day Detection 

Stop Tomorrow's Attacks

Detect zero-day threats and evasive malware using dynamic analysis with built-in threat intelligence.

  • 99.9% Zero-Day Efficacy
  • 20X Faster Analysis
  • Analyze All Files at the Perimeter
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OPSWAT is Trusted by

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Customers Worldwide

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Technology Partners

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Endpoint Cert. Members

Why Traditional Tools Don’t Cut It

Zero-day attacks & evasive malware now easily get past traditional, static or slow security tools.

Threat Evasion

Modern malware is engineered to outsmart static defenses, using environment checks, timing delays, and sandbox detection to hide malicious behavior.


These threats adapt in real time, exploiting blind spots in traditional tools to slip through before signatures or heuristics can react.

Slow Incident Response

Overwhelmed teams face too many alerts and too little context.

Without fast triage and clear prioritization, analysts lose critical time investigating false positives while real threats move laterally and exfiltrate data undetected.

Limited Visibility

Fragmented systems create blind spots between network, endpoint, and application layers.

When detection isn’t unified, threats can linger unseen, undermining both prevention and response efforts across the environment.

Poor Scalability

Traditional tools weren’t built for today’s data volumes or the speed of modern attacks.

As file and traffic loads grow, detection pipelines stall, analysis queues expand, and security gaps widen, leaving organizations exposed.

  • Threat Evasion 

    Threat Evasion

    Modern malware is engineered to outsmart static defenses, using environment checks, timing delays, and sandbox detection to hide malicious behavior.


    These threats adapt in real time, exploiting blind spots in traditional tools to slip through before signatures or heuristics can react.

  • Slow Incident Response

    Slow Incident Response

    Overwhelmed teams face too many alerts and too little context.

    Without fast triage and clear prioritization, analysts lose critical time investigating false positives while real threats move laterally and exfiltrate data undetected.

  • Limited Visibility

    Limited Visibility

    Fragmented systems create blind spots between network, endpoint, and application layers.

    When detection isn’t unified, threats can linger unseen, undermining both prevention and response efforts across the environment.

  • Poor Scalability

    Poor Scalability

    Traditional tools weren’t built for today’s data volumes or the speed of modern attacks.

    As file and traffic loads grow, detection pipelines stall, analysis queues expand, and security gaps widen, leaving organizations exposed.

127%

increase in multi-stage
malware complexity*

7.3%

of OSINT files reclassified
as malicious within 24 hours* 

703%

surge in credential phishing
attacks in late 2024*

*According to test data of over one million file scans.

Unified Zero-Day Detection

Boost Efficacy Rates to 99.9% with one solution.

Layer 1: Threat Reputation

Expose Known
Threats Fast

Stop the flood of known threats.

Checks URLs, IPs, & domains in real time ​or offline to detect ​malware, phishing, & botnets.

Blocks reused infrastructure & commodity malware and forces attackers to rotate basic indicators.

Layer 2: Dynamic Analysis

Uncover Unknown
Threats

Detects evasive malware that hides from traditional sandboxes.

An emulation-based sandbox analyzes files to detect ​hidden threats like ransomware.

Exposes artifacts, loader chains, script logic and evasion tactics.

Layer 3: Threat Scoring

Prioritize Threats

Reduce alert fatigue.

Threat risk levels are ranked to quickly highlight priority threats in real-time.

Layer 4: Threat Hunting

Identify Malware
Campaigns

Machine-Learning Similarity Search

Threat Pattern Correlation matches unknown threats to known malware, tactics, infrastructure and more.

Uncovers malware families and campaigns, forcing attackers to overhaul tactics and infrastructure.

“Fastest Speed We’ve 
Ever Tested.”

Venak Security

330+

Detectable Brands

for ML-Based

Phishing Detection

50+
File Types

50+

File Types

Extract artifacts,
images, & more

>14

Automated Malware 

Family Extraction

Integrate Easily

We stop the attacks that
no one knows exist.

20x

Faster than Traditional Solutions

Deep Visibility & Rapid Response

Harness billions of threat signals & machine-learning threat similarity search.

  • Deep Structure Analysis

    Quickly analyze 50+ file types, including LNK and MSI, to extract embedded content, artifacts, and images.

    Automated decoding, decompilation, and shellcode emulation—along with Python unpacking, macro extraction, and AutoIT support—deliver deep visibility into hidden threats.

  • Dynamic Analysis

    Detect and classify active threats using machine learning and targeted detonations in specific application stacks or environments.

    Bypass anti-evasion checks, emulate JavaScript, VBS, and PowerShell scripts, and dynamically adapt control flows to uncover unknown threats.

  • Threat Detection & Classification

    Detect 330+ phishing brands—even offline—using Machine Learning (ML) analysis.

    Correlate IOCs, identify malicious intent with 900+ behavioral indicators, extract configurations from 18+ malware families, and detect unknown threats through similarity-based clustering.

  • MetaDefender Aether
  • MetaDefender Aether
  • MetaDefender Aether
  • Threat Intelligence & Integration

    Automated threat hunting and real-time detection integrate seamlessly across intelligence sources.

    The system exports to MISP and STIX formats, queries the MetaDefender Cloud Reputation Service, connects with open-source intelligence vendors, and automatically generates YARA rules for each detected threat.

  • Next-Gen Anti-Evasion Engine

    Extracts indicators of compromise from highly evasive malware and detonates targeted attacks so analysts can focus on high-value findings.

    The sandbox defeats advanced evasion techniques including long sleeps and loops, user or domain checks, geofencing, OS locale checks, VBA stomping, advanced auto-execution behaviors such as mouse-hover triggers, and task scheduler abuse.

  • MetaDefender Aether
  • MetaDefender Aether

2025 OPSWAT Threat
Landscape Report

Malware is more evasive

than ever—see the data.

Powering Zero-Day Detection
Across Every Environment

OPSWAT’s Zero-Day Detection solution is built on a unified suite of technologies that combine sandboxing, adaptive intelligence, &
behavioral analysis to expose unknown threats at speed & scale—on-premises, in the cloud, or anywhere in between.

MetaDefender Aether

Standalone zero-day detection solution, combining advanced sandboxing with built-in threat intelligence. Uncover hidden relationships through machine-learning threat similarity and reputation data to gain actionable insights for faster response.

MetaDefender Aether for Core

Enhance your on-premises security with the Adaptive Sandbox & Threat Intelligence for MetaDefender Core. Gain dynamic threat analysis, customizable policies, and granular visibility to detect and prevent zero-day attacks before they spread.

MetaDefender Aether for Cloud

Advance your cloud-based security with an Adaptive Sandbox, featuring dynamic analysis and behavioral detection. Gain scalable, zero-day malware detection with fast, automated insights—no infrastructure required.

MetaDefender Threat Intelligence

Identify zero-day related threats, assess file reputation in real time, and respond faster to emerging risks with machine-learning threat similarity search and threat reputation checks. Security teams gain enriched threat intelligence to ensure stronger defenses against evolving malware and targeted attacks.

Unlock Zero-Day Detection Across Solutions

Discover how zero-day detection can be brought to your network perimeter,
ensuring all files gain advanced zero-day detection without performance delays.

  • Zero-Day Detection
    for Kiosk

    Secure environments from unknown threats on peripheral & removable media.

  • Zero-Day Detection
    for MFT

    Gain continuous zero-day detection at the perimeter and inside your network.

  • Zero-Day Detection
    for ICAP

    Malware scan and analysis for web and file transfers via ICAP.

  • Zero-Day Detection
    for Storage Security

    Secure all files transferred on a network to protect against unknown threats.

Detonator - The Endless Quest
for Zero-Day Detection

The Story Behind OPSWAT’s Industry-Leading Dynamic Analysis Technology

The Story Behind MetaDefender Aether

Jan Miller – CTO, Threat Analysis at OPSWAT

Jan Miller is a pioneer in modern malware analysis, known for launching platforms that transformed how the industry detects evasive threats. After founding Payload Security and later driving Falcon X at CrowdStrike, he continued innovating with Filescan.io, later acquired by OPSWAT. As an AMTSO Board member, he champions transparency while advancing techniques that blend dynamic analysis with threat intelligence to expose evasive malware.

Dynamic Analysis Evolves with Built-in Threat Intel

MetaDefender Aether fuses CPU-level emulation, behavioral analytics, and adaptive threat intelligence (threat reputation, scoring, similarity search). This means faster zero-day verdicts and richer context that powers threat hunting and automated response across your security stack.

Validated Speed
& Security by AMTSO

Aligned with Anti-Malware Testing Standards Organization (AMTSO), Venak Security test confirms OPSWAT’s Adaptive Sandbox leadership.

Trusted Globally to Defend What's Critical

OPSWAT is trusted by over 1,900 organizations worldwide to protect their critical data, assets, and networks from
device and file-borne threats.

ABOUT

This regional government agency provides forensic science services, including digital evidence analysis, to law enforcement across multiple jurisdictions. With numerous forensic laboratories under its purview, the agency supports criminal investigations by examining electronic devices and digital files submitted as part of legal proceedings.

USE CASE

By leveraging OPSWAT’s MetaDefender Aether for Core, the agency implemented a multi-layered security approach that eliminated malware risks, protected forensic tools, and sped up digital evidence analysis.

ABOUT

This large financial institution in Europe provides essential banking and financial services to businesses and individuals worldwide. With a workforce of thousands and a strong global presence, it plays a crucial role in the region’s economic stability. Given the sensitive nature of its operations, the institution enforces stringent cybersecurity measures to safeguard transactions, customer data and critical file transfers.

USE CASE

To deal with processing the rising volume of flagged files, the institution implemented OPSWAT’s MetaDefender Aether for Core, which enabled rapid, deep behavioral analysis and m ore efficient triage of potentially malicious files.

ABOUT

For over 100 years, Clalit has been at the forefront of medical care and health innovations in Israel. They are now the largest provider of public and semi-private health services in the country (and the second largest HMO worldwide).

USE CASE

Clalit has become a model for how to provide total protection for critical infrastructure by creating an enterprise file security service that utilizes 14 MetaDefender Cores with Multiscanning and Deep CDR, as well as four Adaptive Sandboxes and MetaDefender ICAP servers.

ABOUT

A leading global provider of cloud-enabled security solutions, this U.S.-based company safeguards organizations from a wide array of email and web-based threats. With a reputation for innovative security products, they serve clients across multiple regions and industries, ensuring the security of data and communications.

USE CASE

To meet rising demands for faster, cost-effective malware analysis, the security provider needed to optimize its email and web security processing pipeline. After a successful proof of concept, MetaDefender Aether for Core reduced operational costs and reliance on resource-heavy legacy technology. Seamlessly deployed in AWS, it ensured agile, efficient operations under heavy file traffic, supported by OPSWAT’s expertise.

Purpose-Built for Every Sector

  • Energy & Utility

    Transfer critical infrastructure data between IT-OT securely.

  • Manufacturing

    Transfer operational updates into and operational data out of critical sites

  • Government

    Transfer classified documents, and sensitive government data.

  • Finance

    Transfer sensitive customer information and trade secrets.

  • Healthcare

    Transfer of patient and medical records between systems.

  • Media

    Transfer large video files across sites and external partners.

Support Compliance
with Regulatory Requirements

As cyberattacks and the threat actors that carry them out become more sophisticated, governing bodies around the world are
implementing regulations to ensure critical infrastructure is doing what’s necessary to stay secure.

FileScan.io Community

Uncover hidden threats with insightful malware analysis
powered by OPSWAT’s MetaDefender Aether

technology—try it free.

FAQs

It closes the blind spot on unknown, file-based threats by combining reputation checks, emulation-based dynamic analysis, and behavioral intelligence-so you see in-memory payloads, obfuscated loaders, and phishing kits that signatures and endpoint tools miss.

It plugs in at ingest (ICAP, email, MFT, web), enriches your SIEM/SOAR (MISP/STIX, Splunk SOAR, Cortex XSOAR), and feeds back high-fidelity IOCs and MITRE-mapped behaviors to improve detections across all your tools.

No. Reputation "great-filter" removes most noise instantly; suspicious files are detonated in an emulation sandbox that's 10× faster and 100× more resource-efficient than legacy VM sandboxes-keeping file flow fast while still catching the 0.1% zero-day threats that matter.

Yes. Deploy cloud, hybrid, or fully on-prem/air-gapped (RHEL/Rocky Linux supported), with offline mode and certificate whitelisting, role-based access, audit logs, and data-retention controls for NIS2/IEC 62443/NIST-style environments.

Reduced incident volume/MTTR (fewer false positives, richer context), earlier detection of OSINT-silent threats, and measurable risk reduction for file workflows (email, MFT, portals). Most customers start with a scoped POC on their real traffic, then expand.

Stay Ahead of Zero-Day Threats

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Trusted by 1,900+ businesses worldwide.