Android mobile security threats
Android is the most popular mobile operating system in the world and is used on smartphones, tablets and other devices. This operating system provides users with many features and functions, but also exposes them to malware that can steal their personal data, money, or cause other harm.
In this article, we will look at the main types of security threats for Android mobile devices, as well as provide recommendations on how to prevent and eliminate them.
Types of security threats
There are many types of malware that can attack Android devices. They differ in their goals, modes of distribution and methods of action. Here are some of the most common types of Android security threats:
- Mobile banking trojans are programs that try to access users’ bank accounts through their smartphones or tablets. They can spoof legitimate banking applications or send fake SMS messages with links to phishing sites. Such Trojans can intercept logins and passwords from banking services, as well as carry out unauthorized transactions using SMS commands.
- Mobile ransomware are programs that block access to data or device functions and require a ransom to restore them. They can encrypt files on the device’s storage or memory card, and change PINs or lock screen passwords. Such programs often pose as representatives of law enforcement or antivirus companies and accuse the user of violating the law or infecting with viruses. To unlock the device, they require you to pay a fine or buy a license.
- Mobile spyware – These are programs that collect and transmit confidential information about the user or his actions. They can record calls, SMS messages, location, browser history, contacts, photos and other data. Such programs can be installed on the device without the knowledge of the user or with his consent, for example, as part of parental control or surveillance of employees. However, in some cases they can be used for blackmail, identity theft or industrial espionage.
- Mobile SMS Trojans – these are programs that send SMS messages from the user’s device to paid numbers or subscribe him to paid services. These Trojans can run in the background and hide their activity from the user. They can enter the device through infected applications, websites or MMS messages. According to Juniper Networks, over 75% of mobile malware is used to trick a user into sending a message to a premium number.
- Mobile rootkits are programs that get privileged access to system files and device functions. They can change security settings, hide other malware, intercept commands or data, and delete themselves by remote command. Such rootkits can be installed on a device through vulnerabilities in the operating system or firmware, or through infected applications or files.
In order to protect your Android device from security threats, you must follow these rules:
- Update operating system and applications. The updates contain bug and vulnerability fixes, as well as new features and optimizations. According to Juniper Networks, devices running the latest version of the operating system are protected from more than three-quarters of existing malware. It is recommended to regularly check for availability and download updates through official channels.
- Install antivirus software. Antivirus software can help detect and remove malware from your device, as well as alert you to suspicious activity or websites. It is recommended to choose a reliable and proven antivirus software from well-known manufacturers and keep its databases up to date.
- Download applications only from official sources. Official app stores such as Google Play or Amazon Appstore have their own mechanisms for checking and filtering apps for malicious code. While this does not guarantee complete security, it does reduce the risk of infection compared to unofficial sites or links. It is recommended to avoid downloading apps from unknown sources or suspicious links.
- Check app permissions. When you install or update an app, it asks for permission to access certain features or device data. Some of these permissions may be required for the application to work, but others may be redundant or suspicious. For example, if the flashlight app asks for access to your contacts or SMS messages, this could be a sign of malicious code. It is recommended that you carefully read and analyze the permissions of applications and refuse to install those that seem suspicious or unnecessary.
- Use screen lock and data encryption. A screen lock will help protect your device from unauthorized access if it is lost or stolen. You can use a PIN, password, pattern, or fingerprint to unlock your device. Data encryption will protect your personal information from being viewed or copied by third parties. You can encrypt data on the device’s internal memory or on a memory card. It is recommended that you enable screen lock and data encryption in your device’s security settings.
- Be careful when using public Wi-Fi networks. Public Wi-Fi networks can be a convenient way to connect to the internet, but they can also be a security hazard. Hackers can intercept your traffic, view or modify your data, or inject malicious code into your device. It is recommended that you avoid using public Wi-Fi networks to transmit sensitive information such as bank details, passwords, or private messages. It is also recommended to use VPN services to encrypt your traffic and protect against interception.
Android devices are the target of many security threats that can harm users and their data. In order to protect your device from malware and attacks, you need to follow simple security rules such as updating the operating system and applications, installing antivirus software, checking application permissions, using a screen lock and data encryption, and being careful when using public Wi-Fi networks. fi. Thus, you can enjoy all the benefits of Android devices without compromising your security.
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