Tech Bytes: Security @Home
Tech Bytes: Security @Home
Bringing CSUDH Up-to-Date on Information Technology Presented by: Arash Abolfathi, Operations Security Analyst
What Makes Up Your Home Network
baby monitor
thermostat
modem
Internet
laptop
Wireless router
desktop computer
smartphone
entertainment system
printer
video doorbell
surveillance system
2
Setup
Internet Service Provider (ISP): Cox, ATT, Verizon, ....
Internet
modem wireless router
Internet wireless modem/router
Internet
modem
router
Access Point (AP)
3
Passwords
Default Password
? The graphical user interface (GUI) ? 192.168.1.1 192.168.0.1 ? 192.168.1.254 ... ? admin ? admin ? admin ? password ? admin
Worst Passwords Used in 2021
? 123456 ? 123456789 ? Password ? 111111 ? 1234567890 ? abc123
Password Complexity
? Character length ? Special characters ? Uppercase and lowercase ? Numbers
4
WiFi Network
5
WiFi Band ? Security Mode ? WPA2, WPA3
6
WPA Encryption Mode: AES , TKIP
? WPA2 or WPA3 ? Change the network name, or SSID
7
WiFi Frequency
Standard 801.11a 801.11b 801.11g 801.11n 801.11ac 801.11ax
Frequency 5 GHz 2.4 GHz 2.4 GHz
2.4 GHz / 5 GHz 2.4 GHz / 5 GHz 2.4 GHz / 5 GHz
Speed 54 Mbps 11 Mbps 54 Mbps 600 Mbps 450 Mbps - 1300 Mbps 450 Mbps - 10 Gbps
Range 20-100 m 35-140 m 38-140 m 70-250 m
35m 70-240 m
8
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