Shoulder Surfing: The Silent Threat Lurking Around to Steal Your Data
- FEBRUARY 5TH, 2025
- 2min read
Introduction
Have you ever felt a stranger’s prying eyes looking into your phone in public areas? This is a very common experience, usually without malicious intent, but this is also how shoulder surfing happens—a situation where an attacker in close proximity can physically view the device screen and keypad to obtain personal information.
In more sophisticated cases, attackers use optical devices such as binoculars and miniature video cameras, allowing them to steal sensitive data without being detected.
Examples of Shoulder Surfing
- At an ATM Stand: A shoulder surfer standing behind you can steal your PIN or install a hidden camera to record your inputs.
- In a Workspace: Your sitting position in an office or public setting can expose you to a shoulder surfer who can glance at sensitive information.
- Public Transportation: Anyone sitting behind you, beside you, or standing above you can easily view your screen.
How to Protect Yourself from Shoulder Surfing
- Awareness of Surroundings: Stay vigilant in public areas and avoid exposing personal information unnecessarily.
- Biometric Authentication: Use face ID or fingerprints instead of PINs or passwords to prevent attackers from seeing your login details.
- Positioning: When entering credentials or viewing sensitive information, position yourself to block others from seeing your screen.
- Use Privacy Screens: Attach privacy filters to your devices to limit screen visibility from side angles. Lowering your screen brightness also helps.
- Avoid Phone Calls: Do not discuss confidential or sensitive information over the phone in public spaces.
- Lock Your Device: Always lock your phone or computer when not in use to prevent unauthorized access.
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