What is an Endpoint in Security? (original) (raw)

Last Updated : 23 Jul, 2025

An endpoint is any device that connects to your network, and it is a potential way hackers can gain entry. Imagine endpoints as the "front doors" to your digital home—each must be secured. With the IoT and work-from-home phenomenon, the number of endpoints has increased tenfold, making endpoint security more paramount than ever. A single vulnerable endpoint can take down an entire networks, as seen in major breaches. There were 22 billion connected devices in 2018, and that number is expected to increase to 38.6 billion by 2025 and 50 billion by 2030, according to Strategy Analytics analysis. Consequently, malware was placed on endpoints in as many as 30% of data breaches, according to Verizon's threat assessment.

**Note: In 2017, a casino’s IoT fish tank thermostat was hacked, giving attackers access to financial records. This shows how even obscure endpoints expand the attack surface.

**Examples of Endpoints

Any computing system, typically a user-side system attached to an organization's network, is an endpoint.

• **Tablets: Sales teams' iPads accessing CRM applications.
• **Mobile Devices: Corporate email-enabled smartphones (e.g., iPhone with Outlook).
• **Smartwatches: Wearables synchronizing health information to cloud applications.
• **Printers: Weak-password networked printers (e.g., HP JetDirect).
• **Servers: On-premises or cloud servers (e.g., AWS EC2 instances).
• **ATMs: Bank terminals with legacy Windows XP.
• **Medical Equipment: MRI scanners or insulin pumps that are linked to hospital networks.

**How Endpoint Security Works?

Endpoint security control is a software solution that allows users to manipulate their laptops to gain access to an organization's community. This allows the community administrator to restrict some website's access to specific customers to maintain and follow to the organization's rules and regulations. Endpoint security control systems include a digital non-public community VPN client, an operating system, and up-to-date antivirus software. Computer devices that are not in compliance with the organization's coverage are set up with restricted access to a digital LAN endpoint safety devices on a client-server model turned into the safety application is managed by using a centrally controlled host server.

**Key Mechanisms:

• **Access Control: Restricts what devices can do (e.g., block social media on work laptops using **URL filtering).
• **Threat Detection: Uses **antivirus (e.g., **Bitdefender) and **EDR (e.g., **CrowdStrike) to spot malware or phishing.
• **Encryption: Secures data with **AES-256 encryption, even if a device is stolen.
• **VPNs: Protects remote connections (e.g., **NordVPN for secure remote access).
• **Policy Enforcement: Ensures devices meet standards (e.g., latest Windows updates, no pirated software).

**Types of Endpoint Security

Here are the different types of endpoint security:

• **Internet Of Things: Securing computing devices at the networks they are linked to from threats and breaches via means of protecting, identifying, and tracking risks. Example: A 2016 Mirai botnet attack turned IoT cameras into a DDoS army, affecting millions.
• **Data Loss Prevention: It is the type of endpoint security that detecting and stopping data breaches. In 2019 Capital One breach leaked 100M records due to poor DLP, costing $150M.
• **Network Access Control: It restricts the availability of network resources to endpoint devices.
• **URL filtering: Technology that offers enables groups to control their users and visitors on the web page. In 2022 phishing campaign was stopped by Zscaler URL filtering, saving a retailer from data theft
• **Browser Isolation: Isolation of a web user's surfing interest far from their nearby networks and infrastructure. In 2023 malvertising attack was neutralized by Menlo Security browser isolation.

Importance of Endpoint Security

With 88% of organizations facing endpoint attacks in 2023 (IDC), endpoint protection is critical for businesses, governments, and individuals

• **Protection Against Increasing Threats: Cyberattacks are escalating—ransomware alone increased 37% in 2023 (SonicWall). For example: A 2021 Kaseya ransomware attack affected 1,500 companies through an endpoint exploit, blocked by CrowdStrike in secure companies.
• **Protecting Sensitive Data: Endpoints hold sensitive information (e.g., customer data, financial information). Implement DLP and encryption that block leaks, making them GDPR and HIPAA compliant. For example: A 2022 T-Mobile data breach leaked 37M records because of poor endpoint security, which cost $350M.
• **Mitigating Insider Threats: 30% of breaches involve insiders (Verizon 2023 DBIR), such as disgruntled employees.
• **Enhancing User Productivity: Secure endpoints reduce downtime from attacks, letting employees work efficiently.

**Endpoint Security Threats

**1. Phishing: Phishing is a type of cybersecurity attack that attempts to obtain data that are sensitive like Username, Password, and more. It attacks the user through mail, text, or direct messages. Now the attachment sends by the attacker is opened by the user because the user thinks that the email, text, messages came from a trusted source.

To read more about this, please refer to the article Phishing.

**2. Malvertising: Malvertising is malicious activity. Generally uses ads to send malware. Typically this happens through the injection of unwanted or malicious code into ads.

To read more about this, please refer to the article **malware and its Types****.**

**3. Ransomware: In this type of attack, attackers use the malware to access devices, lock the encrypted data and then blackmail the victim, and demand payment to unlock and release the data.

To read more about this, please refer to the article **How Ransomware Works and How to Prevent it?****.**

Endpoint Security Benefits

Endpoint security offers a many benefits, making it a critical investment for any organization. By protecting devices, it safeguards data, ensures compliance, and keeps operations running smoothly, saving millions in potential breach costs.

• Enhanced Protection Against Cyber Threats
• Improved Compliance
• Data Loss Prevention
• Centralized Management and Control
• Reduced Risk of Insider Threats
• Cost Saving

Endpoint Protection Software vs Antivirus Software

Endpoint protection software and antivirus software are often confused, but they’re like a full security system vs. a single guard dog. Endpoint security offers a holistic defense for businesses, while antivirus is a simpler tool for individuals or small setups

For more details refer the article Difference between Endpoint Security and Antivirus Software

Also Read:

• What is Endpoint Detection and Response (EDR)?
• What is an API Endpoint ?
• EDR vs EPP: What’s the Difference?

Conclusion

Endpoint security is vital for protecting end-user devices like desktops, laptops, mobile devices, tablets, smartwatches, and servers from cyber threats. As businesses become more dependent on networked environments and cloud systems, strong endpoint protection solutions are necessary to defend against phishing attacks, malvertising, ransomware, and data breaches

With cyber threats evolving rapidly, organizations must prioritize **proactive security measures such as **VPNs, intrusion detection systems (IDS), endpoint monitoring, and multi-layered security protocols to safeguard sensitive data. A well-designed endpoint security strategy not only strengthens defenses but also promotes business continuity, cost efficiency, and long-term cyber resilience in our increasingly digital landscape.