What should I do if my computer is hacked? ——Recent network security hot spots and response guides
With the popularization of digital life, network security issues have become increasingly prominent. Recently, "computer intrusion" incidents have been hotly discussed across the Internet. Topics such as hacker attacks and data leaks continue to occupy the hot search list. This article will combine the hot content of the past 10 days to provide you with structured solutions.
1. Recent hot topics in network security (last 10 days)
| Ranking | hot topics | amount of discussion | Main risks |
|---|---|---|---|
| 1 | New ransomware attack | 1.2 million+ | File encryption ransomware |
| 2 | Phishing emails disguised as delivery notifications | 850,000+ | Account and password theft |
| 3 | Public WiFi data breach | 630,000+ | man-in-the-middle attack |
| 4 | Game plug-ins carry Trojan programs | 470,000+ | Remote control computer |
| 5 | Fake system update prompts | 350,000+ | Malware implantation |
2. Typical symptoms of computer intrusion
| Symptom type | Specific performance | Hazard level |
|---|---|---|
| Abnormal performance | Computer suddenly slows down and freezes frequently | ★★★ |
| Abnormal network activity | Traffic surge and unfamiliar IP connections | ★★★★ |
| File exception | Files are encrypted/deleted/modified | ★★★★★ |
| Account abnormality | Invalid password, unfamiliar login record | ★★★★★ |
| Pop-up ads | Unknown ads pop up frequently | ★★ |
3. Emergency response measures (step-by-step guide)
1.Disconnect immediately: Unplug the network cable or turn off WiFi to cut off the hacker connection channel.
2.Enter safe mode: Press F8 (Windows) or long-press Shift (Mac) when restarting the computer to enter safe mode.
3.Change password: Use other devices to instantly change all important account passwords, especially bank, email, etc.
| Account type | Priority level | Things to note |
|---|---|---|
| highest | Enable two-step verification | |
| bank account | highest | Contact the bank to freeze |
| social account | high | Check login device |
| cloud storage | in | Back up important files |
4.Scan for viruses: Use professional anti-virus software to conduct a full scan, and recommend the most popular and reliable tools recently:
| Tool name | Features | Free version |
|---|---|---|
| Malwarebytes | Ransomware Killer | Yes |
| HitmanPro | Cloud scanning | trial |
| Windows Defender | The system comes with | Yes |
5.System restore/reinstall: If the infection is severe, it is recommended to restore to an earlier backup point or completely reinstall the system.
4. Preventive measures (based on recent attack characteristics)
1.Be wary of the latest fishing techniques: Be especially careful with phishing emails with themes such as express delivery notices and tax declarations that have been popular recently.
2.Update patches promptly: Windows systems have recently released three high-risk vulnerability patches (KB5034441, etc.).
3.Back up important data: Adopt the 3-2-1 principle: 3 backups, 2 media, and 1 offline storage.
| Backup method | Advantages | Disadvantages |
|---|---|---|
| external hard drive | fast | possible simultaneous infection |
| Cloud backup | Offsite safety | Requires bandwidth |
| CD/Tape | Antivirus | High cost |
5. Professional help channels
If you have difficulty handling it yourself, you can contact the following recently active cybersecurity agencies:
| Organization name | Service scope | Contact information |
|---|---|---|
| National Internet Emergency Center | major security incident | 12321 |
| Major security vendors | Virus detection | Official website customer service |
| local cyber police | File an investigation | 110 |
The recent network security situation is severe. According to the latest statistics, there is an average of one network attack every 11 seconds. Only by staying vigilant and responding promptly can losses be minimized. Remember: prevention is always better than cure!
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