Symantec, the developers of pcAnywhere software used by Zonal to remotely support clients, have recently announced a risk to user security due to malicious activity (hacking).
Further information on the risk and recommended actions to prevent this risk can be found at http://www.symantec.com/theme.jsp?themeid=anonymous-code-claims&inid=us_ghp_banner1_anonymous
Zonal strongly recommends that you access the above URL and follow all instructions to update your pcAnywhere software with the latest hotfixes and patches. It is your responsibility to ensure this is carried out. However, if you experience any difficulties or have any further questions, please contact the Zonal Helpcentre on +44 (0)844 815 6020.