Mobile phone anti-eavesdropping methods and mobile phone security awareness

Dojammer 2022-02-14

Mobile phone anti-eavesdropping method

Information security is no small matter. Once the privacy and secrets of individuals, units and countries are leaked, it will often have many adverse effects on society. Issues such as weak awareness of personal information security and industry irregularities reflected in various information leakage incidents have also made us more aware of the importance of mobile phone information security to the national economy and people's livelihood. Ordinary users are not powerless to prevent the leakage of mobile phone information. It is entirely possible to reduce or even eliminate the leakage of personal information by enhancing the awareness of information security and confidentiality, grasping the knowledge and skills of mobile phone security protection, and learning to use mobile phones scientifically. cell phone jammer

1. To eradicate paralyzing thoughts and luck

Nowadays, many people only use mobile phones, and they lack or know little about the destruction of mobile phone memory card information and data, hidden dangers of mobile phone information security and technical loopholes. Therefore, it is necessary to eradicate paralyzing thoughts and luck, strengthen learning, and effectively recognize various security risks in the use of mobile phones, recognize the ways and methods of mobile phone leakage of personal information, and fully realize the serious consequences of mobile phone leakage. Anti-leakage "alarm bells ringing".

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2. To grasp the knowledge of safety precautions

For special groups of people, special places, and special content, special mobile phone management methods should be used. For personnel involved in secrets, such as military personnel, confidential personnel, etc., it is necessary to formulate a strict mobile phone management and use system, or allocate special mobile phones with strong confidentiality, so that they can be used exclusively for special planes. Regarding secret-related places, mobile phone security inspection equipment should be set up in accordance with the confidentiality rules. Do not carry and use mobile phones in confidential places, and do not use mobile phones to record, record, take pictures and transmit confidential content.

At the same time, don't easily answer or accept calls, text messages, MMS, and emails from strangers. Turn off your phone if necessary, and completely cut off the power of your phone to prevent viruses or Trojans from being implanted. Don't set your phone to log in automatically, you should enter your password every time you log in. Make full use of the picture and password lock screen functions that come with your phone to prevent others from unlocking the screen and peeking at your privacy. Smartphone users should log out of their mobile phone accounts in a timely manner after using network services. Potentially sensitive information should also be removed frequently and in a timely manner.

3. Strictly abide by various confidentiality rules

Confidentiality rules not only play an immeasurable role in protecting corporate data, commercial privacy and even national security, but also help protect personal privacy. To this end, it is necessary to earnestly abide by various confidentiality rules, especially to not store and process important confidential information in the mobile phone, and to prevent the occurrence of leaks from the source. It is necessary to prevent the leakage of relevant important information in newsletters, WeChat, QQ, and e-mail. Do not store sensitive information such as the work unit and position of core personnel in the mobile phone. Abbreviations or codes can also be used to prevent the full disclosure of important and sensitive information.

4. Use the official platform to download the software

When smartphone users download software, they should log in to the official platform to download, and prevent downloading from forums. Don't use unsolicited software and don't browse bad web pages. Insist on repairing and maintaining mobile phones at regular mobile phone operators to prevent virus programs from being implanted. When installing software, be sure to check the list of permissions requested by the software, and be especially vigilant when sensitive permissions appear. If the software asks for contacts, text messages, etc. that are not related to the service, or if a reader program is installed but asks for camera access, be aware of any traps.

5. Strictly control system permissions

Mobile phone users should establish a sense of danger and try their best to avoid granting access to personal privacy and network access to suspicious programs. Functions that are not used or rarely used, such as Bluetooth, infrared, mobile phone positioning, high-definition camera, etc., should be closed or stopped to prevent the mobile phone from being remotely attacked or searched by viruses, and then open when these functions need to be used. When using WIFI for free, only use the network that you know and trust, and it is not easy to send out important personal information.

6. Completely delete unnecessary information

When the user deletes or formats the information in the mobile phone storage medium, the information is not really eradicated, only the main boot area information is deleted, its control structure is modified, and it is marked as maskable. When new information is stored, the original information can be covered, but when it is not covered, as long as it is not damaged due to physical reasons, the information still remains in the storage medium and can be recovered. Therefore, when replacing the mobile phone or deleting relevant information, you can choose mobile phone software with data destruction function, or format the mobile phone and repeatedly store a lot of useless data such as movies, videos, junk files, pictures, etc. in the mobile phone memory, and then delete it repeatedly. These information make invalid information repeatedly fill the space of the mobile phone, completely cover up the original information, and increase the difficulty of data recovery. In addition, try not to transfer or sell old mobile phones at will, and physically destroy them to avoid the danger of revealing privacy.

In addition, you can also use multiple mobile phones to physically separate the mobile phone for work and personal communication from the mobile phone for online entertainment, try to save the address book, text messages and other information in the SIM card, and save photos, pictures and other files outside the mobile phone. on the external storage, reducing the risk of information leakage.