Free Course On Cybersecurity: A Deep Dive Into Cyber Defense

👽 GRATUITO – Curso Por dentro da Segurança Cibernética 👽

You Should Know:

Cybersecurity is a critical field in today’s digital age, and understanding its fundamentals is essential for anyone involved in IT or information security. This free course, offered by Senai São Paulo, provides a comprehensive overview of cybersecurity, covering topics such as Identity and Access Management (IAM), Governance, Risk, and Compliance (GRC), and Cloud Security.

Practice Verified Codes and Commands:

1. Linux Commands for Cybersecurity:

nmap: Network exploration tool and security scanner.
```
nmap -sP 192.168.1.0/24
```
This command scans the network to identify active devices.
tcpdump: Packet analyzer for network traffic.
```
sudo tcpdump -i eth0 -w capture.pcap
```
Captures network traffic on interface `eth0` and saves it to capture.pcap.

iptables: Firewall configuration tool.

sudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT

Allows SSH traffic on port 22.

2. Windows Commands for Cybersecurity:

netstat: Displays network connections.
```
netstat -an
```

Shows all active connections and listening ports.

tasklist: Lists all running processes.
```
tasklist /svc
```

Displays services associated with each process.

netsh: Network configuration tool.

netsh advfirewall set allprofiles state on

Enables the Windows Firewall for all profiles.

3. Cloud Security Commands:

AWS CLI: Command-line interface for AWS.

aws ec2 describe-security-groups --group-ids sg-903004f8

Describes the specified security group.

Azure CLI: Command-line interface for Azure.
```
az network nsg list --resource-group MyResourceGroup
```
Lists all network security groups in the specified resource group.

What Undercode Say:

Cybersecurity is not just about tools and commands; it’s about understanding the landscape of threats and how to mitigate them. This course is an excellent starting point for anyone looking to deepen their knowledge in cybersecurity. By mastering the commands and tools mentioned above, you can significantly enhance your ability to secure systems and networks.

Expected Output:

Linux:
Active devices on the network.
Captured network traffic.
Configured firewall rules.
Windows:
List of active network connections.
Running processes and associated services.
Enabled firewall profiles.
Cloud:
Detailed security group information.
List of network security groups.

By following the steps and commands provided, you can build a robust cybersecurity practice that protects your systems from potential threats.

References:

Reported By: Jonhnysantos Gratuito – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅

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