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A contract is often concluded for a certain period of time. During this time, all innovations in the software are available free of charge.
With free anti-virus software, updates are of course free of charge. Only the frequency in which these take place will be guaranteed to be lower.
But here too, it is necessary to carry out the updates regularly - be it manually or by means of automatic updates. What is a firewall? A firewall is software that is used to protect a single computer or an entire network from unwanted external access.
A firewall is therefore an elementary element of any security system. A firewall is not used to directly identify and prevent attacks as such.
All communication that does not comply with the rules is blocked, even if it were not harmful attacks at all.
Basically, it can be said that all remote attacks on computers are only possible through security gaps in systems and various computer programs.
In today's times, it is necessary for a number of programs to be provided with so-called network services. This means that, for example, a printer in the network can be used by different computers, but also access to data on another computer.
These access rights can be used by malicious programs, but also specifically by hackers, to penetrate a network or a computer without authorization.
This means that private data and documents can be stolen or viruses, malware and spyware can be installed unnoticed.
This is exactly where a firewall comes in. Due to the clearly regulated access rights, strangers or websites cannot usually access the computer.
However, if access is permitted by the user this is usually requested in a very hidden manner so that the average user has no idea what rights he is currently assigning , a firewall can no longer guarantee protection.
This is why it is often ensured in large companies that the individual employee has no rights for changes to his computer, in the network and above all in the security systems.
This is done centrally by IT technicians, the so-called admins. The firewall is then not installed directly on the computer of the individual user personal firewall , but on a separate device that directly shields and protects the entire network from the outside external firewall.
A combination of personal and external firewalls is operated in most large networks. The external firewall is to protect the network from unauthorized access from outside, the personal firewall ensures that.
A firewall can use different methods to detect and prevent unwanted network traffic. The most common variant is the so-called packet filter firewall.
All network packets are evaluated here and checked for the specified rules. With network addressing, the MAC addresses and IP addresses of the individual network cards in the network are assigned access rights.
In this way it can be clearly regulated who has access to which functions and data. With a proxy firewall, the content of the network packets is checked in addition to the source, destination and service of the traffic data.
Firewall software is usually reinforced with additional modules, which technically are not part of the firewall. Malware a compound word consisting of malicious and software can be translated into German as malware or malware.
The term encompasses all computer programs which perform undesirable and, above all, harmful functions.
The word malware basically includes various sub-terms such as computer viruses or Trojans. Nevertheless, the term computer virus is still widespread today and is often used as a generic term.
If you want to make a distinction between the two terms, it must be said that the aim of the virus is to spread it as widely as possible, the purpose of malware is mostly remote control.
The different types of malware include: - Computer viruses: These spread by creating copies of themselves on other data carriers.
Hidden in a program, malicious software is played on the computer. A Trojan usually represents the combination of a backdoor and other malware such as viruses or spyware.
Here the telephone line is used to access chargeable offers such as value-added numbers. The term is a combination of the English words spy spy and software.
This is a program that hides itself on the computer system and spies on the user. Data on the behavior of the user is usually collected with the help of spyware.
This includes, among other things, terms that are searched for, products that are purchased online, etc.
Occasionally, spyware should also steal the data from online banking. For this purpose, the software uses so-called keyloggers, which save all keyboard entries and can thus decipher passwords.
However, this has been slowed down considerably in times of SMS-Tan. Spyware usually occurs in combination with adware. This means the undesired but controlled insertion of advertisements and pop-ups.
These are individually adapted to the user through the collected data of the spyware, whereby the companies - mostly of a rather dubious nature erotic, counterfeit drugs, gambling, However, there are also numerous spyware programs known that collect data unnoticed and forward it to third parties for further processing and evaluation.
This means that no personal advertising is generated, but data and statistics on individual regions and the behavior there are obtained.
In order to protect yourself against malware and spyware, it is recommended to keep all programs, but especially the operating system, always up to date.
Internet behavior should also be responsible. If possible, unsafe pages should be avoided, unknown attachments of e-mails should not be opened and when installing programs it should always be ensured that no unwanted additions own search bars and the like are very popular.
However, the best protection is only provided by combining all of these points with the use of special anti-virus software.
This is always state of the art and is informed about all new known threats, and can thus protect the user from the most hidden programs. Real-time protection ensures that every action that is carried out by the user is checked immediately.
If the action would ensure that a malicious program is installed, the protection intervenes immediately and prevents this before damage can occur.
Do free anti-virus programs offer adequate protection? The selection of anti-virus programs is large. Numerous paid anti-virus software developers such as Kaspersky Internet Security, Bitdefender Internet Security, Bullguard Internet Security or Norton Internet Security have made a name for themselves in the past decades in terms of virus protection.
However, free anti-virus programs are becoming increasingly important. Accordingly, many users wonder why they should pay for their security.
But do these free anti-virus programs really offer adequate protection? In Stiftung Warentest carried out an extensive test of anti-virus programs.
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In detail, this is not correct. A computer virus is a computer program that is either hidden in other computer programs, a boot sector or RAM.
This occurs through reproduction computer 1 is infected and comes into contact with computer 2. This also infects computer 2. However, the computer virus is not removed from computer 1 and has increased as a result.
This reproduction as a distribution and infection function gave the computer virus its name in comparison to the biological variants.
As early as , the first theoretical papers were written on whether and how computer programs can reproduce and spread independently.
In the comparison with biological viruses was used for the first time. In , the first boot virus was written by a year-old student who was able to spread via floppy disks on Apple II systems.
The virus is usually hidden in a host program. If this is carried out, the virus is also started and spreading is initiated.
Computer viruses were often not particularly harmful. The programming was mostly just about the widest possible distribution and getting attention the so-called existence report.
However, even in the early days of computer viruses, there were those that could cause actual damage. This included the destruction of data as well as the targeted destruction of individual hardware elements e.
Frequently, the firmware was attacked directly, with the result that the computer could no longer be started. Nowadays the actual computer virus is of little importance and has been replaced by painting software, spyware and computer worms which are still spreading via e-mails and the Internet, but also via removable media.
The viruses not only aim to spread as widely as possible, but also aim to steal information from other computers. All information - from valuable bank or credit card data to uninteresting data such as Google behavior or shopping preferences - can be marketed profitably.
Personal data is one of the most important currencies of the modern age. Of course, computer viruses can also be used specifically to obtain passwords from certain websites.
Again and again, even large corporations like Facebook hit the headlines that the passwords were stolen by millions of users.
Sites and programs are often also targeted by attacks where users' money is virtually deposited. Examples include telephony programs such as Skype, but also computer games or virtual casinos.
By changing the password, users can often no longer access their credit. In addition, bank or credit card details are usually stolen, so that the damage can be double or triple.
Compared to computer worms and malware, the spread rate of real computer viruses was very low and the economic damage was also relatively insignificant.
With the introduction of Windows 10 at the latest, the automatically installed virus scanner "Windows Defender" also found its way into the home computer world.
This is Microsoft's own anti-virus software. For Windows 8 and Windows 10, basic protection against spyware is provided and an offline cleaning tool for Windows 7, Windows 8 and Windows 10 is provided.
Microsoft Virus Software Security Essentials is available for older versions of the Windows operating system.
Microsoft has also provided an in-house solution to protect against dangerous content for the Microsoft "Edge" browser.
But what are the advantages and disadvantages of Microsoft solutions and is additional anti-virus software required? Isn't it enough to use this pre-installed solution in combination with responsible behavior on the Internet?
The biggest advantage of the Microsoft Defender is certainly that the anti-virus program comes directly from the same manufacturer as the operating system and can thus be the first to react to all weaknesses and possible security gaps.
Possible security gaps can also be avoided by installing additional external programs, which in turn also require various authorizations to work properly.
Finally, it should be said that the Windows Defender really works in the background in a resource-saving manner and has no negative effects on the system performance.
As a disadvantage, it is often mentioned that the protection provided by Windows Defender would not be sufficient.
Reference is made to various tests in which the Defender did poorly compared to other, usually very expensive, anti-virus programs. It should be mentioned here that these tests are based on very different test procedures.
Different malware programs are often grouped together. If only one of the programs is not recognized, the entire group is rated as negative, which leads to an exaggeration of the negative result.
But even if one does not take this exaggeration into account, the result is that Windows Defender detects and eliminates fewer threats than many of the other anti-virus programs.
Microsoft also stands for a large corporation with numerous divisions. Even if a dedicated department works specifically on virus protection, there is still a lack of extensive, long-term experience and the ability to work purely on anti-virus software, as the competition can have.
In summary, it can be said that users of Windows 8 or Windows 10 have already installed virus protection.
If this, like the operating system itself, is kept up to date, good basic protection is already in place. To be on the safe side and get really excellent protection, it is recommended to install another anti-virus program.
Free software can be used here if you can live with the somewhat more complicated operation and the insertion of advertising. However, the best result is still guaranteed by using paid anti-virus programs.
Windows 7 or older users should definitely use anti-virus software. Not only is the basic protection preinstalled with Windows 8 or Windows 10 missing, but the older versions of Windows are rarely or not serviced these days and are provided with security updates.
As a result, a large number of security gaps are never closed and open doors for all malicious programs. Even the best anti-virus programs can reach their limits here, since the latest and therefore the most difficult to detect viruses can of course penetrate through such security holes.
This question is often asked by people switching from Windows PCs to Macs. The usual procedure for Windows is or should be to install additional virus protection as one of the first activities.
But everything is different with the Mac, is often said. Is virus protection really necessary here? Most of the time the answer will be: No, a Mac does not need virus protection.
This has significantly larger and better security mechanisms than Windows in return it is considerably more complicated and user-unfriendly.
This makes it much more difficult to successfully carry out attacks and to place viruses and malware on the computer.
This program is called XProtect and works inconspicuously in the background without consuming a lot of resources. It is simply not economically worthwhile to program special viruses for Macs if you can achieve a multiple of infections with the same effort on Windows computers.
However, if you work a step further into the matter, you can see that the Mac is not automatically perfectly protected against viruses. Nevertheless, the following also applies here: The threat from viruses, malware and spyware is real, even on a Mac.
No matter how few security holes the operating system may have - the majority of viruses and malware are downloaded to the computer by the user, and it does not matter whether it is a Mac or a Windows PC.
And even if a pre-installed anti-virus software offers a certain level of protection, it will never be up-to-date like a specialized program, the developers of which work solely for this purpose and have decades of experience in this area.
Therefore it can be said: A Mac offers good basic protection, which is usually better than a Windows PC. However, even with a Mac, additional anti-virus protection should not be left out.
However, due to the considerably lower threat, it is advisable to use so-called on-demand online virus scanners.
These do not work in the background and therefore do not require any RAM, but also do not offer permanent protection, but only check the Mac for viruses and other harmful programs on request.
However, if you want to protect your Mac as well as possible, an additional program should also be installed here, which in addition to different scan variants also has real-time protection and thus ensures permanent security.
Any anti-virus software is only as good as the underlying database. The easiest way that anti-virus programs can prevent system damage is to detect known viruses and malware.
Every virus or unwanted program has a specific signature, a digital fingerprint, so to speak. If a program is known as a virus, this signature can be identified as harmful.
If the anti-virus software detects such a signature, the executing program is automatically blocked and deleted. Countless new malicious programs are developed every day.
Virus programmers are fighting a tough battle against anti-virus software programmers. The signature of every malware detected is immediately imported into the anti-virus program database.
However, this latest database can only be used if the user keeps the anti-virus software up to date. Therefore, updating the software is of the utmost importance.
Occasionally, special malware programs directly attack the anti-virus software. Your Love. Join the dating site where you could meet anyone, anywhere!
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