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How to Protect Your Smartphone from Hackers?

Protect your smartphone data and privacy with these proven tips and keep cyber attackers away from your smartphone.

Keeping your smartphone secure from cyber culprits is essential. Smartphones carry sensitive and personal information. It should be secured from prying eyes. We cannot ignore the significance of smartphones, as it becomes a daily need in everyone’s life.

However, the rise in threat compels every smartphone manufacturer and user to enhance the security of their smartphones.

A survey states that in the USA. 99% of users of the 18-29 age group use cell phones, while 97% have smartphones. Nearly 15% of users depend upon smartphones for internet purposes, which means they do not have broadband access.

In this article, we will discover smartphone security importance, signs of hacked smartphones, and prevention tips.

Why is Smartphone Security important?

Smartphone security is essential for a few reasons, like personal data safety, identity theft prevention, financial security, business data protection, secure communication, and prevention of threats and malware.

Personal Data Protection

Smartphones may contain contacts, messages, emails, photos, and login credentials. It is necessary to have proper security to stop unauthorized access. Thus, users’ privacy can be maintained.

Identity Theft Prevention

Hackers always search for loopholes in the user’s system to steal personal information and commit identity theft. If your smartphone is secure enough, hackers will have a tough time, and the risk of third-party access will be reduced.

Financial Security

People do financial transactions over smartphones. These devices should be adequately secured, as cyber culprits can exploit insecure transactions.

Business and Work-related Data Protection

Professionals use smartphones to access emails, open documents, and do online financial transactions. If your phone is protected, unauthorized persons cannot sniff business information on your smartphone.

Preventing Malware and Viruses

Smartphones are prone to malware and viruses, which can compromise smartphones without proper security. A compromise is an open way to steal information and can turn your phone into a bot for future attacks. Strong security measures can prevent malicious activities and protect the device.

Secure Communication

When communicating over secured messaging services, a user ensures that the information will remain secure and safe from eavesdropping or malicious interference activities.

Smartphone security is necessary to look after privacy, financial assets, and login credentials. By staying attentive to rising threats, end users can reduce the chances of risk.

What Are Signs of Smartphone Hacking?

Here are some of the red signs that could prove your phone has been hacked:


An abnormally heated phone indicates that some nefarious thing is running in the background and consumes the phone’s resources. In addition, this could signify a hack.

Receiving unrequested 2FA Codes

The two-factor authentication code is sent to your phone via text or email when you login to a website or app. If you receive suspicious code via text or email even if you have not asked for it then you should be alert and do not respond to it.

Decreased Battery Life

If your phone’s battery runs down quicker than average, it could be caused by rogue applications using the device’s resources.

Locked Out of Accounts

Not being able to access your important accounts, especially your Apple ID or Google account, could signify someone has changed your password.

Strange Notifications and Pop-ups

Unfamiliar alerts or notifications, especially those related to data access or clipboard actions, should arouse mistrust.

Higher Data Usage

A sudden sharp rise in data usage resulting in unplanned amounts to pay on your bill is most likely an indication of unauthorized activity on your device.

Unrecognized Apps

The emergence of strange and suspicious apps on your device can be a manifestation of the fact that you have suffered a hack.

Difficulty Logging into Online Accounts

If your passwords no longer work for different online accounts, it may mean someone is trying to gain illegal access.

Data Breach Concerns

If data stored on your phone is found in the Dark, there is a possibility hackers breached your phone’s storage.

Camera or Microphone Activity

Attendance of the camera or microphone indicator without your consent shows the likelihood of covert surveillance or stalking.

Involuntary App Openings

If your apps open themselves or your browser launches unwanted sites via unwanted tabs, your phone is hacked.

Slow Performance and Strange Behavior

If the device runs sluggishly, crashes often, or behaves peculiarly, that could be a sign of a compromised device.

Strange Media in Gallery

Finding unknown pictures or videos in your gallery, particularly those that are not yours, might be evidence someone gained unauthorized access to your camera.

Types of Threats That Can Harm Smartphone

Understanding smartphone-related cybersecurity threats is crucial for safeguarding your personal information and maintaining the integrity of your device. Here are three of the most common security threats to smartphones:

  1. Malware Attacks

    Malware refers to the umbrella term for any harmful program created to compromise your functioning device. Such can be viruses, worms, Trojans, and spyware. You can get malware on your smartphone through malicious apps, email attachments, or compromised websites. After installation, it can steal sensitive information, track your activities, or even prevent your device from working.

  2. Phishing Scams

    Phishing frauds are well-crafted attempts to trick users into providing confidential information like passwords, credit card numbers, or user credentials. These frauds usually arrive through fake emails, text messages, or phone calls meant to mimic real organizations like banks, government offices, and respectable firms. Users may unwittingly expose their sensitive data to cybercriminals, who can use it for nefarious purposes.

  3. Unauthorized Access

    Unauthorized access means when bad people enter your smartphone without your awareness or approval. This can occur in different ways, including brute-force attacks, stolen credentials, or exploiting security loopholes in the device’s operating system or applications. Attackers can steal sensitive information, track your activities, and remotely control your device upon access.

How You Can Take Care Of Your Smartphone from Hackers?

Here are innovative ways to protect your smartphone from hackers. During transactions, certain practices can secure your smartphone and save your data, including login credentials and credit or debit card details.

  1. Always Go with Passcode Lock, Face or Touch ID

    Ensure a strong passcode of numbers, letters, and special characters protects your phone. For devices with Face ID or Touch ID capabilities, enable these features for added security. Avoid using easily guessable patterns or common passwords to prevent unauthorized access to your device.

  2. Take Regular Data Backup

    Use your device’s backup function or utilize cloud storage services such as iCloud (iOS) or Google Drive (Android) for regular data backup. Schedule automatic backups to keep your data current and updated. Always carry out manual backups before performing any major update/upgrade or modification of the device to prevent losing data due to unforeseen problems.

  3. Avoid Storing Passwords on Phone

    Do not save plaintext passwords within notes or text files on your device. Alternatively, use a reliable password manager to store and handle your passwords safely.

  4. Strengthen security with a VPN

    A VPN encrypts your internet connection and safeguards your data from potential eavesdroppers and hackers. It enhances the privacy of your smartphone while you browse the website. VPN prevents data from being leaked online. It restricts access to personal information and reduces the risk of virus or malware. Your online activities can not be traced using a VPN.

  5. Regularly Update OS and Software

    Regularly updating your phone’s software and operating system is paramount in ensuring security and guarding against possible loopholes. Check for software updates in your settings menu or system update option often. Android and iOS gadgets receive regular updates containing security fixes, bug fixes, and execution improvements. Such changes usually tackle the known security flaws and thus increase the overall security of your device. To ensure your phone always has the latest security features and safety measures, it is recommended that you put your phone on dates as soon as they are released.

  6. Do not use Public Wi-Fi

    The main predicament of public Wi-Fi networks is the absence of encryption and the potential for criminal activity. Try not to use public Wi-Fi networks, particularly for sensitive activities like online banking or accessing personal accounts whenever possible.

    If you have to use public Wi-Fi, a VPN (Virtual Private Network) is recommended since it encrypts your internet connection and protects your data from being intercepted by cybercriminals. Otherwise, use your cellular data or create a hotspot, which is secure, for internet access on the go; prioritize your privacy and security first, and limit your usage of free public Wi-Fi as much as possible.

  7. Get Your Apps Installed from Authenticated Sources

    While getting apps for your smartphone, go for trusted sources like the official Google Play Store for Android devices or the Apple App Store for iOS devices. These platforms have robust security processes to screen apps and minimize the risk of downloading malware. Refrain from downloading apps from third-party app stores or unidentified websites, as they might be distributing fake or compromised apps that could allow hackers to access your device’s security. For safety reasons, read user reviews and check the app permissions before downloading to be sure the app is trustworthy.

  8. Browse SSL enabled (HTTPS) Websites

    When browsing the internet on your smartphone, visit only those websites that apply HTTPS encryption. HTTPS (Hypertext Transfer Protocol Secure) encrypts data transferred between your device and the website, thus preventing it from being intercepted by malicious third parties. Search for the padlock icon beside the website’s URL in the browser’s address bar to know the connection is secure. Do not input sensitive data such as passwords or credit card details on websites that do not use HTTPS encryption, as they offer less protection against data interception and compromise. Give preference to safe browsing to keep your personal information and protect online privacy.

  9. Secure SD Card with Encryption

    SD Card can be found in mobile, tablet, and camera. The data in the SD card should be secured with encryption. The reason is if hackers access SD Card, they can misuse data. Encryption to your SD card provides additional security to the data, prevents the data from unauthorized access if the card is lost or stolen. Encryption  encodes the data into unreadable text and it requires a special key or password to access it.

  10. Keep Bluetooth On only when in use

    When not needed, keep your Bluetooth connection hidden or turn it off to avoid unauthorized connection and the ensuing security breaches. Hackers can use Bluetooth flaws to take over your device or intercept confidential data. Go to your device settings and under Bluetooth to hide your Bluetooth connection. Please turn on the option to hide your device from other Bluetooth devices or disable Bluetooth altogether when you are not using it. By doing that, you can reduce the chances of Bluetooth-related security threats, and thus, your device and private information can be secure from malicious attacks.

  11. Get knowledge about Locking or Wipe Your Phone Remotely

    Get to know the remote locking and wiping features offered on your smartphone. If your device is lost or stolen, you can manually lock it remotely or wipe it, thus denying anyone else access to your personal information. Google’s Find My Device allows Android users to lock and wipe remotely. IOS users find the Find My iPhone feature of iCloud useful. Know how to virtually access and turn on these features to protect your privacy and other sensitive information in case of a security breach.

  12. Keep updating Apps

    Periodically check the apps installed on your phone and delete the outdated ones. Such apps can be vulnerable to security breaches if not frequently updated with the latest security patches. Remember to update your apps by installing updates from the app store. The app updates mainly consist of security improvements and bug fixes, which reduces the chances of malicious workers exploiting them. Keeping your app inventory clean and current can mitigate potential security vulnerabilities and protect your device against threats.

  13. Keep Two-Factor Authentication (2FA) For Better Security

    Use two-factor authentication (2FA) wherever it can be enabled to add a layer of security to your online accounts. For instance, you will need passwords and a unique code sent to your phone to access your accounts. This dramatically minimizes the risk of a security breach even if your password is compromised. Turn on 2FA for your email, social media, and financial accounts to provide more security and to prevent data from the potential of cyber-attacks.

  14. Check Before You Allow App Permission

    Be careful when giving permissions to mobile apps, as they may ask for access to private data or device features. Review the permissions each app requires before installation and think if they are necessary for the app to work. Do not allow more permissions as needed, as this can leak sensitive information or compromise your system. Also, periodically review and revoke permissions for apps that no longer need access to some data or features. By being aware of app permissions, you can reduce the chance of data exposure and secure your device from unwanted security threats.

  15. Never Perform Jailbreak Process on Your Phone

    Avoid jailbreaking (iOS) or rooting (Android) your phone. These operations turn off built-in security protections and expose your device to higher security risks. Jailbreaking allows users to bypass the manufacturer restrictions. There is an increased chance of getting malware, viruses, and other security threats. Remain true to your old phone to keep it safe and secure.

  16. Ignore Spam and Phishing Emails

    Be cautious when receiving emails or SMS from unknown senders. They might be spam, phishing attempts, or other frauds. The messages usually contain malicious links or files meant to steal your personal information or install malware on your device. Do not click on links that seem fishy or give your confidential details in messages you did not ask for. Instead, check out the sender’s identity and contact details before you take any action to avoid being scammed or becoming a victim of identity theft.

  17. Check Your Browser’s Settings

    Periodically review and alter your browser’s settings to boost your online security and privacy. Enable functionalities such as pop-up blockers, tracking protection, and safe browsing to minimize the risk of malware infections and phishing attacks while using the web. Moreover, it examines alternative browsers that prioritize privacy and have accessible additional security functionalities to use. You can minimize the threat level by optimizing your browser settings, which helps to keep your personal information, passwords, and other sensitive information safe from unauthorized access or exploitation.


It is necessary to keep your phone secure in the era of rising cyber threats. These threats always target insecure devices or systems to gain an advantage. Cyber threats can drain your bank account, steal data, or do illegal activities on your phone. In identity theft, cyber threats can go to any extent as they can. The above tips can secure your smartphone and keep you from cyber threats.

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About the Author

Ann-Anica Christian

Ann-Anica Christian has honed her linguistic prowess over 6+ years as a Content Creator specializing in SaaS and Digital eCommerce. With a Master's in Electronics Science, she navigates the complexities of technology, translating intricate concepts into accessible and engaging content. She bridges the gap between transformative software solutions and the customer-centric world of online commerce, portraying a digital ecosystem where businesses thrive through technological evolution and customer satisfaction.