Security Advisory - July 2026 Frontier AI Security and Hardening Update

What is Endpoint Security?

Endpoint security refers to the methods organizations use to protect the devices that connect to their networks and systems. An endpoint can be any device that acts as an access point to a protected network or digital asset. This includes typical work devices, such as laptops, tablets, and smartphones, as well as other interconnected devices like printers, IoT devices, point-of-sale technology, and more. Cybercriminals target all of these devices to gain unauthorized access and launch attacks.

As organizations adopt remote work, hybrid cloud networks, and Bring Your Own Device (BYOD) policies, the volume and variety of endpoints they must manage grow significantly. This expanded attack surface makes endpoint security critical for maintaining data integrity, preventing breaches, and safeguarding business operations.

The Importance of Endpoint Security

Cybercriminals often target endpoints as a means to access protected networks containing sensitive business data and systems. Once inside, malicious actors can expand their access or launch attacks via:

• Moving laterally throughout the network
• Escalating privileges
• Stealing credentials
• Exfiltrating sensitive information
• Deploying ransomware and encrypting business data
• Establishing persistent, covert backdoors
• Abusing business systems to carry out the attacker’s actions

Endpoint security aims to prevent these attacks by ensuring only verified users and secure devices can connect to your sensitive business assets. Given modern work models, endpoint security is becoming increasingly important. Organizations now allow many more devices to connect to their corporate network due to remote work models and BYOD policies.

In the past, employees would typically connect using corporate-issued devices from fixed locations. Now, remote employees expect to access distributed business resources from off-site locations, often using unsecured networks and unmanaged devices. With new devices expanding your attack surface and introducing potential weaknesses, the need for dedicated endpoint security processes, technologies, and monitoring becomes essential.

The evolving threat landscape further amplifies this need. Cybercriminals are launching more sophisticated, targeted attacks designed to evade traditional detection methods. Without robust endpoint protection, organizations face a greater risk of data breaches, unauthorized access, and prolonged exposure to active threats. The business consequences of inadequate endpoint security can be severe. Compromised devices can lead to data loss, operational downtime, and costly recovery efforts.

Beyond financial consequences, breaches often cause lasting reputational damage and expose organizations to regulatory penalties and fines. Industries governed by strict data protection regulations, such as healthcare, finance, and retail, are especially vulnerable due to compliance violations when endpoint security measures fall short.

How Endpoint Security Works

Protecting endpoint devices can be broken down into four main processes:

#1. Threat Detection

Modern endpoint security solutions continuously monitor devices for threats using a combination of:

• Signature-Based Detection: Identifies known attack vectors by matching them to a database of previously cataloged threats.
• Behavioral Analysis: Identifies unusual, suspicious, or anomalous endpoint activity that deviates from normal operations and could indicate an emerging or unknown threat.

AI and machine learning have significantly advanced threat detection capabilities by analyzing vast amounts of endpoint activity and threat data to better recognize attack patterns, predict malicious behavior, and adapt to new attack techniques in real-time.

#2. Response

When a potential threat is detected, endpoint security systems must act quickly to minimize its impact. This includes containing compromised endpoints by isolating the device from the rest of the network. Isolation prevents lateral movement or expanded access, thereby limiting the attacker’s ability to inflict damage.

#3. Remediation

Remediation focuses on analyzing the incident, removing the threat, and restoring affected systems to a safe state. Security teams utilize data collected from multiple endpoints to gain a comprehensive view of the attack.

#4. Continuous Prevention Measures

Beyond addressing specific incidents, endpoint security also employs a series of ongoing, proactive measures such as endpoint prevention that minimize the risk of future attacks. This includes:

• Application Control: Restricts the software that can run on devices.
• Device Control: Further limits the use of removable media on a device.
• Patch and Vulnerability Management: Ensures that devices run the latest operating system and application updates to fix new vulnerabilities as they are discovered.

Types of Endpoint Security Solutions

There is a wide range of enterprise solutions that protect devices, from dedicated endpoint tools to broader security platforms and technologies that extend safeguards across network access points.

Antivirus Software

Traditional antivirus software provides a baseline level of protection against known malware. However, traditional standalone antivirus tools are limited in their effectiveness against modern, sophisticated threats.

Endpoint Protection Platform (EPP)

EPP solutions combine multiple protection mechanisms into a single, centralized platform.

Endpoint Detection and Response (EDR)

While EPP platforms primarily identify threats, EDR solutions also provide rapid response capabilities for compromised devices.

Extended Detection and Response (XDR)

XDR expands on EDR by integrating endpoint data with other sources, including networks, servers, and cloud environments.

Mobile Device Management (MDM) and Mobile Threat Defense (MTD)

MDM and MTD solutions secure mobile devices like smartphones and tablets against mobile-specific threats.

Data Loss Prevention (DLP)

DLP tools monitor and control the transfer of sensitive data from endpoints to prevent accidental or intentional leaks.

Email Security

Email security solutions protect endpoints from phishing, spam, and malicious attachments.

Zero Trust Network Access (ZTNA)

ZTNA enforces the principle of “never trust, always verify” by requiring continuous authentication and authorization before granting access.

Typical Endpoint Security Use Cases

These solutions are often utilized to implement different endpoint security use cases, such as:

• Access Management
• Data Encryption and Loss Prevention
• Traffic Monitoring
• Remote Device Management
• Application Control and Whitelisting
• Patch Management

Challenges Protecting Endpoints

While endpoint security is a critical component of modern cybersecurity, protecting a constantly expanding network of devices presents several ongoing challenges, including:

• Increasing Number and Diversity of Devices
• Managing Endpoints in Remote or Hybrid Work Environments
• Balancing Security with User Convenience
• Alert Fatigue
• Budget Constraints and Resource Limitations
• Keeping Pace with Evolving Threats

Stay Protected with Check Point Endpoint Security

Organizations can overcome these challenges with Check Point Endpoint Security, a robust endpoint security solution from Check Point. Check Point Endpoint Security integrates Endpoint Detection and Response (EDR), Extended Detection and Response (XDR) and Endpoint Protection (EPP) capabilities into a unified platform for 360-degree protection against even the most advanced threats.