take the necessary steps to prevent an attack . The following ten practices are highly effective methods to achieve a strong cybersecurity posture :
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• Use strong passwords and create separate passwords for each account .
• Use current and supported operating systems .
• Install all system security updates and patches .
• Keep antivirus software up to date .
• Regularly scan files for viruses .
• Install spyware protection software .
• Turn on firewall protection .
• Regularly back up and securely store files .
• Change default logon ID and passwords for operating systems and applications .
• Use caution when opening emails and do not view emails in preview pane mode .
2 . To view the entire U . S . Coast Guard Auxiliary Cybersecurity Awareness presentation , click here . 3 . Internet Release is authorized .
2 . This policy letter has been revised again effective 18 October 2021 to limit in-person Auxiliary C- school application and attendance to individuals fully vaccinated against COVID-19 .
3 . The policy letter can be found on the Coast Guard Chief Director of Auxiliary ( CG-BSX ) website at : CG-BSX Policy Letters .
4 . Internet release is authorized .
22 OCT 2021 FM : CHDIRAUX TO : ALAUX ALAUX 037 / 21
Subj : RESUMPTION OF IN-PERSON AUXILIARY C-SCHOOLS - REVISION TO CG-BSX POLICY LETTER 21-01
1 . On 28 May 2021 , the Chief Director of the Auxiliary signed CG-BSX Policy Letter 21-01 , Resumption of In-Person Auxiliary C-schools . It provided initial guidance for the resumption of inperson Auxiliary C-schools and limited attendance to individuals fully vaccinated against COVID-19 . The policy letter was revised on 24 June 2021 to expand in-person Auxiliary C-school attendance to include unvaccinated individuals and define associated home unit Restriction of Movement ( ROM ) requirements .