Computer Security

Hackers are using sophisticated, automated tools to scan for vulnerabilities of a firewall and systems behind the firewall. These hacker tools have proved to be quite effective, with the average computer scan taking less than three minutes to identify and compromise computer security.

You can prevent this by ensuring that your system sits behind a firewall and any services available through this firewall are carefully monitored for potential security exposures.

Hackers attempt to exploit well known vulnerabilities in the Network File System application which is used to share files between systems. These attacks can result in compromised administrator access.

To combat this, ensure systems do not allow NFS through the firewall, and enable NFS protections to restrict who can access files.

Hackers can compromise systems by simply sending an e-mail to it.

Systems of all types come with vendor installed usernames and passwords. Hackers are well educated on these default usernames and passwords and use these accounts to gain unauthorized administrative access to systems.

Protect systems by ensuring that all vendor passwords have been changed.

Computer hackers are using sophisticated techniques and tools to identify and expose vulnerabilities on Internet networks. These tools and techniques can be used to capture names and passwords, as well as compromise trusted systems through the firewall.

To protect systems from this type of attack, check with computer and firewall vendors to identify possible security precautions.

Most passwords that are easy to remember are also easy to guess. These include words in the dictionary, common names, slang words, song titles, etc. Computer hackers will attempt to gain access to systems using these easy-to-guess passwords usually via automated attacks.

Protect systems by ensuring that passwords are not easy to guess, that they are at least eight characters long, contain special characters and utilize both uppercase and lowercase characters.

Computer viruses can infect systems on a widespread basis in a very short period of time. These viruses can be responsible for erasing system data.

Protect systems from computer viruses by using anti-virus software to detect and remove computer viruses.

Hackers will install "backdoor" or "Trojan Horse" programs on computer systems, allowing for unrestricted access into internal systems, which will bypass security monitoring and auditing policies.

Conduct regular computer security analysis to identify potential security vulnerabilities and to identify security exposures.

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