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Why Is Endpoint Security Important?
How Does Endpoint Security Work?
9 Defensive Layers of Endpoint Security
Endpoint Security vs. Firewalls
Endpoint Security vs. Network Security
Endpoint Security With Cynet 360 AutoXDR™

Endpoint Security: Ultimate Guide

June 4, 2020

Last Updated: January 13, 2025

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What Is Endpoint Security?

Endpoint security is a strategy for protecting endpoint devices such as smartphones, laptops, tablets, and desktops against cyberattacks. Organizations use endpoint security software to protect the devices used by employees for work purposes, including in the cloud or on the company network.

Any endpoint connecting to the corporate network or an organization’s cloud services represents a security vulnerability, potentially allowing a malicious actor to penetrate the network. Cybercriminals often exploit these convenient entry points by installing malware to compromise the endpoint and exfiltrate sensitive data.

Organizations must deploy tools to detect, analyze, block, and contain cyber threats on endpoints. Modern endpoint security solutions are packaged as an endpoint protection platform (EPP) that includes multiple layers of security defenses – including next-generation antivirus (NGAV), firewall, and endpoint detection and response (EDR).

This is part of an extensive series of guides about data breach.

Why Is Endpoint Security Important?

Every organization must have an endpoint security strategy to address the risks presented by local and remote endpoints. Each connected device is a potential entry point for attack, and the challenge has become more complicated with the shift to remote work and an ever-increasing number of endpoints.

Social engineering attacks (e.g., phishing) are rising while servers continue to dominate the asset landscape, representing a valuable target for attackers. A data breach can be very expensive, usually costing millions of dollars. The largest contributor to this cost is the lost revenue from damaged business operations.

Effective endpoint security defends against social engineering and significantly reduces the attack surface of endpoints. It adds multiple defensive layers to prevent common attacks. Even more importantly, it gives security teams the tools they need to identify and respond to attacks that bypass these defenses, reducing the impact of a security breach.

This is part of an extensive series of guides about data security.

How Does Endpoint Security Work?

Deployment models

Most endpoint security solutions use one of the following deployment models:

On-premises—the solution runs on a central server and agents are deployed on each endpoint connected to the network. The agent tracks and reports endpoint device activity and potential threats to the central server.
Cloud based—the endpoint security vendor hosts and manages the solution in the cloud. This is much more scalable than a client-server model, and is typically billed on a subscription basis with no upfront costs. It is effective even when the endpoints are not connected to the corporate network.

Security techniques

Endpoint security solutions examine files, processes, and network traffic on the endpoint for indicators of malicious activity. When they detect a threat, endpoint security tools can automatically block it (Next-Generation Antivirus), enrich event data from threat intelligence feeds, and enable security teams to investigate it and respond (Endpoint Detection and Response).

Modern endpoint security solutions use the following techniques to detect and prevent threats on an endpoint:

Signature matching—identifies malware or threats based on known identifiers, such as file hashes or origin IP addresses.
Machine learning-based static analysis—identifies malicious scripts and programs by analyzing contained code. This can be done before programs or scripts are run, preventing systems from being infected.
Sandboxing—isolates files or programs in a secure environment. This enables platforms to execute code or programs and inspect the resulting behavior. This can help security teams identify malware and refine identification methods.
Allowlists and denylists—blocks access to data, applications, or ports based on predefined lists. Denylists block known threats while whitelists block anything that isn’t approved for access.
Behavioral analysis—compares endpoint activity to known behavior baselines to identify suspicious events. This enables EPPs to identify novel or dynamic threats.

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9 Defensive Layers of Endpoint Security

Endpoint protection platforms (EPPs) are tools designed to protect systems from threats. These platforms incorporate a variety of security tooling into centralized controls. Security tooling that is commonly included with EPPs includes:

Endpoint-specific tools:

Next-generation antivirus (NGAV)
Advanced detection technologies
Endpoint Detection and Response (EDR)
Managed Detection and Response (MDR)

General security tools deployed on the endpoint:

Email security gateway
Firewalls and other access controls
Data encryption and authentication mechanisms
Intrusion prevention systems (IPS)
Data loss prevention (DLP) solutions

Below we expand on some of the more important components of endpoint security.

Next-Generation Antivirus (NGAV)

Many attacks are started or aided by malware and NGAV capabilities specialize in neutralizing these threats. In particular, NGAV helps protect your network with:

Ransomware protection—blocking remote execution of code and the installation and execution of unknown programs, and ensuring data on the endpoint is backed up and recoverable.
Exploit blocking – advanced and sophisticated attacks may use fileless malware, employing macros, in-memory, execution, and various other fileless techniques. Exploit blocking functionality can detect and block exploits as they occur.
Advanced threat prevention—true NGAVs use advanced tools and techniques to block malware and fileless attacks and outsmart sophisticated attack techniques. These technologies can include AI and machine learning capabilities like behavioral analytics, adware blocking, deny and allow lists, or attack attribution.
No need for updated signature lists—ML algorithms analyze large amounts of file data to identify suspicious files in real time. NGAV relies on signatureless malware detection to find and block known and unknown malware threats without requiring updates about malware signatures. It can even protect endpoints disconnected from the cloud.
Online and offline protection—NGAV enables data processing and decision-making at the endpoint, supporting both online and offline threat prevention. It offers accurate incident detection and response capabilities to ensure that endpoints remain protected across all environments.

Detection Technologies

Attack detection capabilities focus on early and accurate threat identification and include the following:

File integrity monitoring—tracks actions performed by users and processes and identifies when suspicious actions are taken, such as modifying or deleting files.
Threat intelligence—information about threats, attack methods, and attack technologies. EPPs can ingest threat intelligence from outside sources and apply this intelligence to threat detection and response.
Behavioral analysis—applies machine learning to aggregated network and endpoint data to determine normal baselines of activity. These baselines are then used as a comparison to identify if activity is suspicious.
Vulnerability assessment—scans endpoints for vulnerabilities due to misconfigurations, lack of updates, or insecure code, and recommends remediation.
Deception—deception technologies act as traps for attackers by appearing to hold valuable data. When triggered, security teams can isolate attackers and monitor their behavior.

Endpoint Detection and Response (EDR)

Endpoint Detection and Response (EDR) monitors and logs activity on endpoints, detects suspicious behavior and security risks, and enables security teams to respond to internal and external threats.

EDR technology gives security analysts visibility and remote access that allows them to investigate threats in real time, identify the root cause of an attack, contain it, and eradicate the threat.

EDR tools typically provide three key capabilities that can accomplish this function:

Continuous endpoint data collection—aggregates events such as process execution, communication, and user logins.
Detection engine—performs data analysis to detect anomalies and malicious activity on endpoints and identify real security incidents.
Data logging—provides real-time data about endpoint security events. This enables rapid forensic investigation of threats as they happen.

Many organizations are adopting eXtended Detection and Response , an evolution of EDR solutions that helps teams detect and respond to attacks across endpoints, networks, email systems, cloud environments, and more.

Managed Detection and Response (MDR)

Response and remediation capabilities focus on applying detection data, alerting security teams to threats, and automating responses. These capabilities include the following:

Incident response – MDR service providers investigate alerts to determine if they are real incidents, and if so, MDR experts immediately respond and eradicate the threat. The provider employs various investigation techniques, such as data analytics, human expertise, and machine learning.
Threat hunting— proactively seeking out threats that have bypassed security measures. Performed by security experts with the assistance of big data analytics, threat intelligence, and centralized visibility of security events..
Alert triage – various factors impact the priority of security events. MDR providers organize lists of security events to ensure you handle the most critical events first.
Compliance reporting – regulatory compliance relies on proper security implementations. MDR providers can help meet compliance requirements and demonstrate compliance using reports.
Log data collection or correlation – some MDR solutions provide comprehensive log management, including automatic collection, aggregation, and extended retention of log data. MDR engineers perform queries against log data sets, extracting useful information for customers.

Tips From the Expert

Integrate endpoint data with a security data lake
Centralize endpoint data in a security data lake for advanced analytics and threat correlation. This setup allows you to apply big data analytics and AI-driven insights to identify cross-environment attack patterns and potential weak points across all endpoints.
Utilize rollback capabilities for ransomware defense
Ensure your endpoint protection solution has rollback features that can reverse unauthorized changes. This allows you to quickly restore systems to a clean state after detecting ransomware, reducing downtime and avoiding costly data recovery processes.
Leverage AI-driven behavioral models for insider threat detection
Deploy AI models specifically designed to detect insider threats by analyzing deviations in user and endpoint behaviors. This helps flag potential threats from compromised accounts or malicious insiders that bypass traditional security controls.
Incorporate threat-hunting playbooks into your endpoint security operations
Develop playbooks for proactive threat hunting specifically targeting endpoints. Regularly execute these playbooks to identify advanced threats like living-off-the-land (LOTL) techniques or dormant malware that might evade automated detection mechanisms.
Automate incident response with adaptive remediation workflows
Design adaptive remediation workflows that change based on evolving threat contexts. For example, automatically escalate an endpoint’s response from quarantine to full wipe and reimage if initial containment fails, ensuring rapid and appropriate action is taken at each stage of an attack.

Eyal Gruner is the Co-Founder and CEO of Cynet. He is also Co-Founder and former CEO of BugSec, Israel’s leading cyber consultancy, and Versafe, acquired by F5 Networks. Gruner began his career at age 15 by hacking into his bank’s ATM to show the weakness of their security and has been recognized in Google’s security Hall of Fame.

Endpoint Security vs. Firewalls

A firewall is a network security device. It works as a gateway that filters traffic. An endpoint security solution offers various mechanisms to protect against endpoint threats and can include firewall technology.

Here are the two main categories of firewalls:

Network firewalls – a network firewall runs on network hardware, filtering traffic between networks. For example, it can filter traffic passing between the public Internet and a corporate network.
Host-based firewalls – a host computer is an endpoint that controls network traffic flowing in and out of machines. A host-based firewall runs on host computers.

Endpoint security solutions and firewalls provide different types of protection. A layered security strategy requires both a firewall and endpoint security.

Endpoint Security vs. Network Security

Network security solutions filter web traffic. They enforce web access policies to help organizations maintain regulatory compliance and stop threats before they breach the network and infect endpoints. These solutions run at the network layer to protect the network against network threats. Endpoint security solutions reside on and protect individual endpoint devices against endpoint threats.

Looking for a powerful,
cost effective EDR solution?

Cynet is the Leading All-In-One Security Platform

Full-Featured EDR, EPP, and NGAV
Anti-Ransomware & Threat Hunting
24/7 Managed Detection and Response

Achieved 100% detection in 2023

Rated 4.8/5

2024 Leader

Endpoint Security With Cynet 360 AutoXDR™

Cynet 360 AutoXDR™ is a holistic security solution that protects against threats to endpoint security and across your network.

Cynet’s intelligent technologies can help you detect attacks by correlating information from endpoints, network analytics and behavioral analytics with almost no false positives.

With Cynet, you can proactively monitor entire internal environments, including endpoints, network, files, and hosts. This can help you reduce attack surfaces and the likelihood of multiple attacks.

alert

Cynet 360 AutoXDR™ provides cutting edge EDR capabilities:

Advanced endpoint threat detection—full visibility and predicts how an attacker might operate, based on continuous monitoring of endpoints and behavioral analysis.
Investigation and validation—search and review historic or current incident data on endpoints, investigate threats, and validate alerts. This allows you to confirm the threat before responding to it, reducing dwell-time and performing faster remediation.
Rapid deployment and response—deploy across thousands of endpoints within two hours. You can then use it to perform automatic or manual remediation of threats on the endpoints, disrupt malicious activity and minimize damage caused by attacks.

Learn more about our EDR security capabilities.

In addition, Cynet All-in-One provides the following endpoint protection capabilities:

NGAV—providing automated prevention and termination of malware, exploits, Macros, LOLBins, and malicious scripts with machine learning-based analysis.
User Behavior Rules—detecting and preventing attacks using compromised credentials through the use of behavioral baselines and signatures.
Deception technology—planting fake credentials, files, and connections to lure and trap attackers, mitigating damage, and providing the opportunity to learn from attacker activity.
Monitoring and control—providing asset management, vulnerability assessments, and application control with continuous monitoring and log collection.
Response orchestration—providing manual and automated remediation for files, users, hosts, and networks customized with user-created scripts.

Learn more about the Cynet All-in-One security platform.

Learn More About Endpoint Security

There’s a lot more to learn about EDR. To continue your research, take a look at the rest of our blogs on this topic:

Cloud Endpoint Protection: Protecting Your Weakest Link

It may look like there is less of a need for endpoint security, as organizations move their workloads to the cloud. However, the opposite is true. As workloads move to the cloud, endpoints change more frequently, the number of endpoints grows exponentially, and you have less central control and visibility. Each cloud endpoint is a potential entry point for attackers, and should be protected with a consistent layer of endpoint protection.

Trend Micro Endpoint Security: Solutions at a Glance

Trend Micro provides a wide range of endpoint security solutions, offered as part of a package, or as individual products. You can use Trend Micro endpoint security solutions on-premises or as Software as a Service (SaaS). Popular modules include endpoint encryption, endpoint security, web security, and mobile security. This article explains how Trend Micro Endpoint Security packages are structured and the key features provided by each product.

Endpoint Protection for Mac: Why it’s Critical to Secure Your Macs

Although Macs are not subject to all of the same issues as Windows devices, built-in Mac security cannot protect from everything. To cover the remaining gaps, you need to apply best practices such as layered security and endpoint protection. For the corporate network, this means retaining as much visibility and control and possible through the implementation of endpoint security.

Top 6 Endpoint Protection Platforms and How to Choose

Endpoint Protection Platforms (EPP) are necessary to defend your organization’s workstations, mobile devices, servers and containers. Modern EPP solutions include advanced preventative measures, such as Next-Generation Antivirus which can block both known and unknown malware, and active defensive measures known as Endpoint Detection and Response (EDR). This article reviews the key capabilities of EPP, presents the top 5 EPP solutions, and explains how to actively test and evaluate EPP before you buy.

EndPoint Security McAfee: Products, Capabilities and Features

The McAfee MVISION Endpoint Security Platform includes protection for desktops running Linux, Windows, or Mac, mobile devices, EDR capabilities, and a central management console called ePO. The McAfee Endpoint Security suite includes several products that protect desktop devices, cloud-native endpoints, and mobile devices. The suite provides capabilities like advanced threat protection, broad endpoint support, and an integrated solution.

ESET Endpoint Security: Platform at a Glance

ESET Endpoint Security is a platform that protects endpoints running Android, Linux, Windows, and Mac. ESER endpoint platform has a comprehensive feature set, but does not include EDR. ESET offers EDR as a separate product and prices separately. This article explains how ESET endpoint security solutions are structured and the key features they provide.

Symantec Endpoint Protection: Platform at a Glance

The Symantec Endpoint Security Suite provides attack prevention, detection and response for endpoints. It provides a broad set of features including traditional and machine-learning based prevention, EDR, application control, and deception technology. Additional features of Symantec Endpoint Security include firewall and intrusion prevention, application and device control, mobile roaming user protection, network integrity protection, and more.

EPP Security: Prevention, Detection and Response at Your Fingertips

Endpoint Protection Platforms (EPP) are solutions deployed on endpoint devices to detect malicious activity, prevent file-based malware attacks, and provide the required investigation and remediation capabilities. EPP includes both the preventive aspects and also EDR components that allow security teams to respond if a security breach has also occurred. This article explains what are EPP platforms, compares between the preventive features of EPP vs. EDR, and explains how to evaluate and select EPP solutions.

Kaspersky Endpoint Security Suite: Editions Structure, Pricing and Features

Kaspersky offers a robust set of endpoint security solutions, suitable for small, medium and large organizations. These solutions provide preventive protection against malware and advanced threats, EDR that helps respond to endpoint attacks, and security awareness training. The Kaspersky Endpoint Security solution helps companies secure endpoint devices like servers, workstations, and mobile devices. Main capabilities include adaptive endpoint security, security awareness, endpoint detection and response.

Endpoint Security VPN: Securing Remote Access

Virtual private networks (VPNs) enable you to gain remote access to on-premise private networks, and connect remote private networks into a wide area network (WAN). A VPN typically establishes these connections by assigning users internal IP addresses.

Learn what a VPN is, how to use a VPN to protect your assets, and how to protect your VPNs from critical VPN vulnerabilities.

Endpoint Security Management: How to Centralize and Control Endpoint Threats

Endpoint security management enables you to standardize authentication and access authorization across endpoint devices. Implementations of endpoint security management involve the application of security policies.

Learn what is endpoint security management, how to enforce endpoint security management policies, and how to centralize management with endpoint security tools.

What is Endpoint Security as a Service?

Endpoint protection platforms (EPP) are preventative endpoint security solutions, deployed on devices like employee workstations, servers and mobile devices. They provide a range of security capabilities to prevent threats like known and unknown malware, ransomware, and unauthorized access.

Learn about the key benefits and features of modern endpoint security as a service, compared to traditional on-premise solutions.

ESET Endpoint Protection Advanced: Quick Solution Overview

Endpoint protection platforms (EPPs) protect endpoint devices on the corporate network. ESET offers endpoint security solutions that use a multilayered approach. It employs multiple technologies that work dynamically to balance detection, performance, and false positives.

Understand ESET Endpoint Protection Advanced – what the solution suite includes.

What is Sophos Endpoint Protection?

The Sophos endpoint security offering includes Sophos Endpoint Protection and Sophos Intercept X Endpoint.

Understand the Sophos endpoint protection platform, and the advanced Intercept X solution which combines EDR, XDR, and MTR.

Microsoft Defender for Endpoint: Features and Capabilities

Microsoft offers an enterprise-grade endpoint security platform that detects, investigates, and prevents advanced threats. It helps enterprises respond to threats quickly by employing several technologies built into Microsoft Azure and Windows 10.

Discover the features and capabilities of Microsoft Defender for Endpoint, which leverages built-in security technologies in Microsoft Azure and Windows 10.

Check Point Endpoint Security: Quick Solution Overview

Check Point Endpoint Security includes data security, network security, advanced threat protection, forensics, endpoint detection and response (EDR), and remote access VPN solutions. The entire suite of endpoint security solutions is centrally managed using a single management console.

Understand what is included in the Check Point Endpoint Security suite, including EDR, Harmony Mobile, and MDR, and how it can benefit your organization.

Kaspersky Endpoint Security for Business: 4 Key Capabilities

Kaspersky Labs is a cybersecurity and anti-virus provider based in Russia. Kaspersky Endpoint Security for Business offers endpoint security solutions for hybrid environments. You can deploy it in the cloud or on-premises to protect endpoints against advanced threats, harden endpoint devices, and provide security teams with endpoint detection and response (EDR) capabilities.

Learn about Kaspersky Endpoint Security for Business, its SELECT and ADVANCED editions, and discover key features including system hardening and EDR.

See Additional Guides on Key Data Security Topics

Together with our content partners, we have authored in-depth guides on several other topics that can also be useful as you explore the world of data security.

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Endpoint Security: Ultimate Guide

What Is Endpoint Security?

Why Is Endpoint Security Important?

How Does Endpoint Security Work?

Looking for a powerful,
cost effective EDR solution?