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Endpoint Security Best Practices: Protecting Laptops and Devices from Physical Threats
January 21, 2025
The focus of IT security often centres on sophisticated software solutions, but the physical security of devices remains equally critical. In 2025, the number of endpoints—devices like laptops, printers, and mobile phones—has surged, making physical assets vulnerable to theft and tampering.
For example, while most users prioritize strong passwords, they often overlook setting a basic Windows® login password on desktops. If a device is stolen, such an oversight provides easy access for unauthorized users.
Understanding Physical Endpoint Threats
Endpoints face a variety of physical threats, from USB-based attacks to visual hacking and outright theft. Here’s what to watch for.
USB-Based Attacks and Hardware Tampering
USB ports are common attack vectors. Malicious USB drives can inject malware or steal data, often disguised as harmless devices. For example, the Raspberry Robin attack in 2022 exploited fake USBs labelled as COVID-19 guidelines or Amazon deliveries.
Keylogger devices, which record every keystroke, are another risk. These can be installed externally or internally on public computers, like in libraries or co-working spaces.
Visual Hacking
Visual hacking, or “shoulder surfing,” occurs when attackers observe sensitive data, such as passwords, on a screen. Public spaces like cafes and transit hubs are common hotspots for such attacks. With smartphones capable of 100x zoom, attackers can also capture screens discreetly from a distance.
“Visual hacking happens quickly. In a visual hacking experiment, it took less than 15 minutes to complete the first visual hack in 49% of the hacking attempts.”
Physical Theft and Printer Risks
Device theft remains one of the most overlooked threats. While users often focus on the loss of hardware, the compromised data within can pose even greater risks.
Printers are vulnerable too, as they can expose sensitive information through printed documents left unattended, onboard storage, or unsecured paper trays.
Essential Protection Measures for Laptops and Devices
Physical Access Controls and Lock Systems
Secure physical access to devices with locks and restricted zones. Laptop cable locks, such as Kensington locks, can anchor devices to desks or heavy furniture. These are practical for both office and home setups.
Privacy and USB Port Protection
Privacy screens, like HP Sure View, block side-angle views, safeguarding sensitive information in public spaces. HP laptops with Sure View displays, such as the HP ZBook Firefly, ensure the screen isn’t visible from alternative viewing angles—making them invaluable for professionals working in cafes or airports.
For USB protection, use port blockers or endpoint security software to monitor and block unauthorized devices.
Device Tracking Solutions
Device tracking tools, such as HP Wolf Security or physical trackers like AirTags, help locate stolen devices and enable remote locking or wiping.
Device-Specific Security Strategies
Laptops
Cable locks, lock screens after inactivity, and geolocation tools are essential for laptop security.
For enterprise users, HP Wolf Security adds advanced features like firmware-level locks and protection against USB-C port tampering.
Printers
Printers should be in secure locations, with restricted access to paper trays and input areas. Periodically wiping onboard storage can prevent data leaks.
Mobile Devices
Smartphones should use long passwords or biometric locks instead of pattern-based unlocks. Set auto-lock to a short duration to prevent snatch-and-use attacks.
Implementation Guidelines for a Robust Physical Security Strategy
Whether you’re an employee, freelancer or an individual, a strong endpoint security best practices strategy requires careful planning. Below are some of these physical cybersecurity tips.
Security Policies and Training
Establish clear physical security policies. Train employees on best practices, such as avoiding third-party repair services that could install keyloggers.
Monitoring and Incident Response
Use CCTV cameras, security logs, and monitoring tools to track physical access to devices. Create an incident response plan detailing steps to handle breaches.
Best Practices for Different Environments
Office and Remote Settings
In office environments, secure desks, implement visitor policies, and provide employees with physical security tools like laptop cable locks.
For remote workers, secure home workspaces are crucial. Companies should supply locks, VPNs, and training to mitigate risks.
Travel and Public Spaces
While travelling, always use hotel safes and privacy screens, and keep devices on you whenever possible. Situational awareness is key to avoiding theft in crowded areas.
Conclusion
Protecting laptops and devices from physical threats is an essential part of any comprehensive endpoint security strategy. From using privacy screens like HP Sure View to securing devices with locks and tracking solutions, a proactive approach can safeguard both hardware and sensitive data. Whether you’re in the office, at home, or on the go, staying vigilant and implementing these best practices ensures your devices remain secure in an increasingly interconnected world.
