8 Useful Ways to Prevent Hackers - How to Promote Your Computer Security

Hackers are everywhere and hard to detect. How to protect your computer and prevent hackers incursion are very important. But we as ordinary people, how to contest with the computer masters? It’s necessary to learn some coups. We can prevent hackers effectively as long as we do some clever set.

1. Forbid IPC Null Session
Hacker can use “net use” to establish null session and invade. And net view and nbtstat are based on null session. It’s OK to forbid null session. Open the registry and find “Local_MachineSystemCurrentControlSetControlLSA-RestrictAnonymous”, then make the value to “1”.

2. Forbid “At” command
Hacker often gives you a Trojan horse and makes it run. The behavior needs “At” command. So we just open the Administrative Tools-Services and disable the “task scheduler”.

3. Close the SSDP Discover Service
The service may cause DDOS attack and make the CPU achieves 100% use. Then your computer will crash. I think no one will do DDOS to individual computer but this process will make a waste of bandwidth and affect the network transmission rate. So we’d better close it.

4. Disable the NetBIOS on TCP/IP
5. Find “My Network Places - Properties - Local Area Connection - Properties-Internet Protocol (TCP / IP) Properties - Advanced-WINS panel-NetBIOS settings” And then choose “Disable the NetBIOS on TCP/IP”. Then hacker can’t use nbtstat command to read your NetBIOS information and MAC address.

6. Close the DCOM service
This is the 135 port. It can be used in query service and may lead to direct attack. The close way: Input dcomcnfg in cmd and choose the default attributes tags in the component services window. Cancel “Enable Distributed COM in this computer”.

7. Change the share file permissions from “everyone” group to “authorized users”.
“everyone” means any user who has right to enter your network’s can access to the shared information. Don’t make the user set of shared file “everyone” group anytime.

8. Cancel displaying the last logged-on user
Find “HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrent VersionWinlogon：DontDisplayLastUserName” and set the value to “1”.

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