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Malware - Wannacry

Be VERY careful clicking on emails containing links, the malware that has been in the news over the weekend is very significant.

There are two components:

1 Malware that infects your computer and encrypts all your files and any files it can gain access to that may not even be on your machine. This is usually achieved by someone clicking on an email which results in the machine getting infected.

2 It try’s to spread itself using shared folders (SMB / Samba) - it is this characteristic that has caused the scale of damage, as once the malware is on a machine, it hunts out other computers that are vulnerable to a attack and attacks the machines it finds.

This is particularly relevant to older operating systems likes Windows XP and Windows Server 2003 as they have been out of maintenance for patches for a while. At the weekend, Microsoft released a patch for these windows XP and Server 2003 to try to reduce the impact of the problem for people. The patch is also available for other versions as can be seen by following this link.

MS17-010 Patch Information

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