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DoS: Application Layer

Application layer denial of service attacks are the second main group of Denial of Service (DoS) attacks, along with DoS attacks against the infrastructure layer. As its name indicates, these types of attacks are targeted at the application layer or layer seven of the OSI model. Their objective is to cause a denial of service, taking advantage of design flaws in the communications protocol...

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Cybercrime

Threats

Malware in Linux: Rootkits, concealment and detection

In previous papers have discussed the main types of rootkits in Linux and its operation. Some methods are described for this type of malware to hide and what you can do to try to detect them.

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Linux

Rootkit

Threats

DoS Attacks: Infrastructure Layer

As we have already mentioned previously, infrastructure attacks are those that focus mainly on layers three and four of the OSI model (ISO/IEC 7498-1) and application layer protocols that support communications, such as DNS or NTP. This is the most frequent type of attack and, as illustrated in the following graphic, makes up 90% of the DDoS attacks detected by Akamai in the fourth quarter of...

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Cybercrime

Threats

Malware in Linux: Kernel-mode-rootkits

The kernel-mode rootkits are one of the most fearsome threats because of their level of sophistication and difficulty of detection. Know how this type of rootkits in Linux systems work.

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Malware in Linux: Rootkits, introduction and classification

It is common to hear statements like "I can't possibly have a virus, because I use Linux" or "There aren't any viruses on Macs". It is very well known that these ideas are completely false. Here is a good place to look at why.

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Classification of DoS Attacks

Denial-of-Service (DoS) attacks are one of the most frequent types of security incident and continue to be used extensively. In many cases, carrying out a denial-of-service attack does not require advanced knowledge. Some examples of this sort of aggression would be the attack suffered by 19,000 French web-sites in the context of the deadly assault on the premises of the satirical magazine...

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Best practices

Cybercrime

Threats

Botnet detection: SPAM analysis

Sending spam is a classic operation performed by botnets, which is why it is logical to use SPAM analysis methods in botnet detection techniques. Instead of observing and analyzing all of the network traffic.

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Botnet

Malware

Threats

Corporate access

DoS: Application Layer

Malware in Linux: Rootkits, concealment and detection

DoS Attacks: Infrastructure Layer

Malware in Linux: Kernel-mode-rootkits

Malware in Linux: Rootkits, introduction and classification

Classification of DoS Attacks

Botnet detection: SPAM analysis

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