With the proliferation of webcams built into laptops, phones, tablets and other devices, there is an understandable concern over the potential for hackers to access those webcams without your knowledge. This has led many people to cover their webcams with tape, stickers or sliding covers when not in use. But is this concern warranted? Are there legitimate reasons to be worried about webcam security? Let’s take a closer look at the pros and cons of covering your webcam.
Quick answers to key questions:
Should I be worried about webcam hacking?
– Webcam hacking is rare but possible. There have been some high profile cases, but for most people the risk is very low.
Are there easy ways to prevent webcam access?
– Yes, you can cover the lens with tape or buy sliding covers. Turning off the camera when not in use also prevents access.
What are the downsides to covering my webcam?
– It can be inconvenient to uncover the lens every time you want to use it. Covering the cam also raises suspicions when video chatting.
Is webcam hacking illegal?
– Yes, accessing a webcam without consent is illegal under computer hacking laws in most countries.
Can malware or viruses access my webcam?
– Potentially yes, some viruses are designed to take control of webcams. But this is relatively uncommon.
Should I cover my webcam if I don’t use it?
– If you never use your webcam, then covering it is a reasonable precaution with minimal downside.
How webcams get hacked
There are a few different ways hackers can gain access to webcams without the owner’s consent:
Malware
Malicious software downloaded to a computer can potentially include commands to activate the webcam without the user realizing. The malware may also be able to send recorded video or images from the webcam back to the hacker remotely. This type of attack is rare, but has happened before.
Weak or default passwords
Many webcams and security camera systems ship with easy to guess default passwords that are never changed by the owner. A hacker can simply look up the default password and access the feed. Using strong, unique passwords prevents this.
Unsecured WiFi networks
Connecting to public WiFi networks that are unsecured can make it possible for skilled hackers to access devices on that network, including webcams if they are active. Don’t use public WiFi for anything that requires passwords or sharing personal info.
Social engineering
A hacker may try to trick the webcam owner into downloading malware or revealing their password through phishing emails or scams. This highlights the importance of cybersecurity awareness.
Remote access apps
Some legitimate apps for remote tech support and access can also be exploited by hackers if not secured properly. Make sure any such apps are from trusted sources.
Pros of covering your webcam
Here are some potential benefits to placing a cover over your webcam when not in use:
Prevents unwanted access
A physical cover or shutter ensures no incoming video feed is possible. This eliminates any risks from hacking, malware or remote activation. It provides peace of mind.
Avoids accidental activation
Many webcams will show a light when active, but not all do. Covering the lens guarantees it stays off when you want it to.
Reduces power draw
A covered webcam uses less power, which can marginally improve laptop battery life. Less power usage also generates less heat.
Blocks camera damage
When closed, a cover protects the webcam lens from dust, scratches and damage that could degrade video quality.
Visual indicator it’s off
Seeing the cover reminds you the camera is off and not recording. Out of sight, out of mind.
Cons of covering your webcam
However, there are also some downsides to consider:
Extra step to use
You’ll have to remove the cover every time you want to use the webcam. Some sliding covers can be fiddly to open and close each time.
Potential to damage lens
Adhesive stickers or improper handling could end up scratching the webcam lens, reducing video quality.
Looks suspicious
Covering your camera may be interpreted as paranoid or having something to hide when on video calls.
False sense of security
A cover only prevents webcam access when closed. If you forget to close it, it won’t provide protection.
Not a substitute for good security
While a physical cover is one layer of protection, it’s no replacement for keeping device software up-to-date, using strong passwords, installing antivirus software, avoiding suspicious links and maintaining caution online.
Key factors to consider
When deciding if you should cover your webcam or not, keep these factors in mind:
Your level of risk
– How likely are you to be targeted for webcam access? Are you an average home user or a high-profile figure with sensitive info? Your potential risk helps determine if covering the cam is worthwhile.
How much you use the webcam
– If you take video calls regularly, the extra step of uncovering the lens each time may be annoying. But if you rarely use the webcam, covering it when not needed isn’t a big hassle.
The difficulty to uncover
– Some covers are quick and simple to open and close, while others require more effort. Evaluate if the cover’s design is practical for how often you’ll need access.
Trading convenience for security
– Covering the webcam adds an extra precaution in exchange for a minor inconvenience. Determine if this tradeoff is worthwhile based on your personal security priorities.
Alternative options
– Some anti-spyware software can prevent unauthorized webcam access. Or you may be diligent about manually turning off the cam when not required. Consider if a physical cover is still needed.
Recommendations
Based on these considerations, here are some recommendations on when to cover your webcam:
Cover webcam if unused
If your laptop or device has a webcam that you never use, covering it is a smart precaution. The minor inconvenience is negligible if you don’t need it for video chatting.
Use cover when away from device
Anytime you leave your computer for an extended period, put the webcam cover closed to ensure no surreptitious recording is possible while you’re gone.
Don’t cover if regularly used
If you use your webcam multiples times daily for business video calls or conferencing, the extra effort to open and close a cover each time may be too much hassle.
Evaluate your personal risk
Consider factors specific to you, like your occupation, profile, usage habits and security behaviors to gauge if covering the cam makes sense based on your potential risk.
Combine with other measures
Relying solely on a physical cover is unwise – also utilize secure passwords, updated software, VPNs, firewalls and safe browsing habits to fully protect your device and webcam usage.
Answers to common questions
Still have some nagging questions? Here are answers to some frequently asked questions:
Should I cover a webcam I never use?
Yes, if the webcam is unused, then covering it comes at no real cost to convenience while providing protection in case of any unauthorized access attempts.
What’s the best material to cover a webcam?
A purpose-designed sliding cover is ideal. If using a makeshift cover, opaque tape avoids adhesive residue. Post-it notes work in a pinch but can fall off easily.
Can hackers access my webcam when it’s covered?
No, a physical barrier prevents any video or images from being accessed through the webcam while covered. Just be sure to replace the cover correctly after using it.
Should I also unplug my webcam when not in use?
That extra step could be considered overkill. Simply covering the lens already prevents operation or video transmission.
What about smartphone and tablet webcams?
The same rules apply – cover front-facing cameras on mobile devices when not in active use for video calls. Just check that any cover used allows the light sensor to still operate for auto brightness.
Do webcam covers drain my battery faster?
Marginally, but the effect is very minor. Having an inactive webcam uses barely any power already, so blocking the lens makes little real difference.
The case for responsible webcam usage
Beyond covering webcams, users should also adopt responsible habits for any internet-connected camera:
– Update device operating systems and security software regularly
– Use complex and unique passwords for all accounts
– Avoid connecting to public WiFi networks for sensitive activities
– Be skeptical of emails and links requesting personal information
– Disable webcams within software settings when not in use
– Be aware of any app permissions requested that seem unnecessary
Practicing caution and common sense online is the best defense against any malicious attempts to access your webcams without authorization.
Conclusion
Covering an unused webcam is a quick and easy way to ensure no remote hacking or activation is possible. The minimal inconvenience is worth it for the extra security and peace of mind. For active webcams, general device security practices along with keeping the software updated and password protected are key. Responsible webcam usage starts with user vigilance. But when in doubt, go ahead and slap a cover on that lens!