Network security & VPN (certified) (Zofingen):
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Questions and answers
What does a network security concept involve and how do network security hacks help to ward off threats?
A network security concept describes measures with which an IT network is protected against attacks, data loss and unauthorized access. The specific design depends on the individual requirements and potential threat scenarios. The aim is to identify security gaps, minimize risks and ensure the network's long-term functionality.
Network security concepts generally pursue several protection goals:
- Data security: protection against loss or unintentional deletion of data
- Data protection: Protection against unauthorized access to personal or confidential information
- Data integrity: Ensuring that data is not changed unnoticed
- Confidentiality: Preventing third parties from reading or listening in on information
- Availability: Ensuring that systems and services are reliably accessible
Various technical methods are used to achieve these goals, including firewalls, encryption, access controls and monitoring tools. In practice, several methods are often combined to achieve a high level of protection.
Network security hacks play an important role in the further development of security measures. They help to identify potential vulnerabilities and close them in a targeted manner. Through targeted testing with simulated attacks, it is possible to better understand how modern threats work - and how they can be countered. For example, effective encryption procedures can be introduced or honeypots used to direct attackers into a controlled environment.
A well-founded network security concept is not a one-off task, but an ongoing process that must be regularly reviewed and adapted. Only those who are aware of current attack methods can react with suitable protective measures.
Network security is part of IT training and is covered in many ICT and technology courses. However, the exact content varies depending on the training level and school.
Each school determines its own learning content for the network security concept and network security hacks. In order to obtain precise information, we recommend contacting the respective educational institution directly. With our contact form, the question can be forwarded directly to the desired school. Simply select the school and send your request.
How can you secure a wireless network with a network security key?
When you hear the word network security key, you might think it refers to a key that has to be used to unlock the router. However, it is actually a password or a code. This can be used to secure a wireless network. This is used to identify access to the router. Or to put it more simply: without the network key, you cannot connect to the Internet via WLAN. This is because only those with the correct network security key are allowed to access a wireless network. This is important to ensure that no strangers gain access within range of your Wi-Fi connection. Authenticating access using the network key ensures that unauthorized persons cannot use your Internet connection. This is because unauthorized users could spy on users' personal data via Internet access. This is how network security works with a network security key:
- Select a router that can be reached wirelessly with a computer or smartphone via a WLAN connection
- Enter the network security key (located behind or under the router)
- Click on Connect and get access to the Internet
- by selecting "connect automatically", the key does not have to be entered again the next time it is accessed
- The network key can also be read when the Internet is connected
What network security measures need to be taken for WLAN security?
It is very important to take proactive network security measures to protect a company's network against cyber attacks via WLAN. In many companies, the following network security measures are usually taken:
- Access controls with identity management
- VPN technologies (IPSec, L2TP and SSL/TLS)
- E-mail encryption
- WLAN security (attacks on WLANs)
- Perimeter security through hardware or software-based firewall for monitoring incoming and outgoing network data traffic via WLAN
However, it also helps to train staff, raise employee awareness, mobile device management, monitoring, use of technology, analysis and identification of weak points. The use of network security software provides the company with support for the necessary network security measures. If Tor browsers are used for anonymous surfing, Tor network security must also be taken into account.
Network security definition: What is network security about and why is it so important?
The network security definition is: Network security is the bundle of strategies, processes and technologies to protect a network from unauthorized access and thus protect it from damage. Typical threats include hackers, malware and viruses. If unauthorized persons gain access to the network, they can infiltrate, manipulate or destroy networks. This is why network security has the following priority (according to the network security definition):
- Control access
- Prevent infiltration of the network
- Preventing the spread of threats
Digitalization is changing the world and the way we live and work. Customers and employees are demanding more digital services from companies. Anyone who provides these and opens up digitally to the outside world must protect their network. For example, home offices and collaboration tools pose risks to networks. This protection is important and also serves the company's reputation.
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