Device Security: Keeping Devices Updated and Using Antivirus Software
                     Device Security: 
Keeping Devices 
Updated and Using 
Antivirus Software
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Personal and workplace devices hold a wealth of sensitive information, including 
financial records, photos, medical records, and personal documents. This data holds 
immense value not only for legitimate purposes but also for cyber criminals, making 
safeguarding such information paramount. If a device is stolen or compromised, the 
repercussions could be severe, including identity theft, financial fraud, and 
unauthorised access to confidential data. Consequently, it is crucial to maintain 
strong security measures to preserve the integrity of both personal and professional 
information.
The risk of computer viruses extends to virtually any internet-connected device, from 
desktops to smartphones. Nonetheless, the resilience of these systems to viral 
attacks can vary significantly. Certain operating systems are inherently more resistant 
to viruses, featuring built-in safeguards and robust architectures. Others may rely on 
integrated antivirus solutions to mitigate potential risks.
Here are some tips to enhance your device’s security and protect it against viruses.
Tips to Improve 
Device Security
Lock Your Device
To strengthen your device’s security, 
establish a strong device lock using a PIN, 
password, complex swipe, or other security 
methods to restrict unauthorised access. 
Configure the screen to lock automatically 
after a period of inactivity and ensure it’s 
manually locked when not in use. This 
practice protects sensitive information, 
such as photos and contact details.
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Use Device Tracking and Management
Utilise built-in features or third-party applications to locate, wipe, and lock your device 
in case it’s stolen or compromised. These features may be available on your devices, 
through dedicated apps, or included in comprehensive anti-virus solutions.
Install Anti-Virus Software
Securing regular updates is essential to safeguarding your device from malicious 
malware, such as spyware and viruses. These updates are also crucial to defending 
against emerging threats and vulnerabilities. For a deeper understanding of how anti-
virus software operates, consult detailed resources on the subject.
Keep Your Operating System Up-to-Date
Update your operating system regularly, as it often contains new security features. 
Enable the automatic update feature in your device settings to ensure you are 
promptly notified about the latest updates. Ensuring this will help you maintain 
optimum software security.
Be Cautious with Applications
Only download applications from legitimate and verified sources. Be cautious when an 
app asks for access to irrelevant information and features.  For instance, a game 
application should not require access to your text messages or camera.
Avoid Jailbreaking Your Device
Exploring alternative operating systems or customising device functionalities may 
have some benefits, but jailbreaking your device can significantly increase security 
risks. Before proceeding, thoroughly research the implications of jailbreaking and 
understand the necessary security measures. Understand the potential risks and 
safeguarding steps to maintain the security and integrity of your device.
Backup Your Data
Regularly back up your device to prevent the loss or theft of important information 
in case of stolen or lost device. Also, periodically remove unnecessary data to 
streamline your backups and minimise the potential impacts. Use multiple backup 
methods, such as cloud storage and physical external drives, to protect your data 
further. Additionally, periodically review and remove unnecessary files to 
streamline your backups. This practice helps maintain an efficient backup system 
and reduces the risk of data overload, which can complicate recovery efforts.
Free Wi-Fi Caution
Public Wi-Fi networks can pose security risks. Avoid accessing sensitive information 
over these networks. Instead, use a Virtual Private Network (VPN) that encrypts 
your collection and protects data. Configure your device’s security settings to stop 
automatic connections to unknown networks. Also, disable file-sharing features 
when using public Wi-Fi.
Avoid Clicking on Unexpected Links or 
Attachments
Exercise caution with unsolicited emails and messages, particularly those containing 
links or attachments. Be vigilant for phishing attempts and suspicious 
communications. If you suspect a phishing scam, report it to the authorities.
Restrict Your Device Sharing
While lending your device to the store, be aware of the risks of unauthorised 
actions. Check options to restrict access to certain apps or information to safeguard 
your data and privacy. Many devices offer options to set up guest accounts or to 
use app-specific permissions that control what the guest user can view or modify. 
Configuring these settings will prevent unauthorised actions and ensure that your 
data remains secure while your device is in the hands of others.
Monitor Your Device’s Behaviour
Watch for unusual device behaviour, such as rapid battery drain or excessive data 
usage, which may indicate the presence of malware. Also, regularly review your 
billing statements for any unfamiliar charges. Promptly addressing anomalies can 
help you detect and mitigate potential security threats before they escalate.
Erase Data Before Selling or Recycling
Before selling or recycling your device, delete all data and applications. Use the 
factory reset options available on iPhones, Android devices, and Windows phones 
to erase your information securely. This process ensures that your personal 
information is irretrievably removed from the device, safeguarding your privacy and 
reducing the risk of data breaches.
Conclusion
Built-in security features provide a potent defence against viruses, yet they are not 
entirely foolproof. Complementing them with dedicated antivirus software can 
enhance overall protection, particularly for Windows, macOS, and Android devices. 
However, relying solely on antivirus software is insufficient for complete digital 
security. Consider bundling antivirus software with additional services such as VPNs, 
identity theft protection, and password managers for comprehensive protection. 
This multi-layered approach addresses a broader spectrum of online threats and 
ensures a more effective security posture.
Stay ahead of the curve with Cyber News Live! Get real-time updates on the latest 
cyber security threats, expert analyses, and essential tips to protect your digital 
world.
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