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In light of recent global events, there is a heightened risk of cyber-attacks. We urge local organisations to exercise additional vigilance when monitoring IT infrastructure. Please report suspicious activity to us via our Cyber Concerns Reporting Tool.

Overview

A number of major security updates for both Microsoft and Apple devices have recently been made available which should be applied in order to best protect yourself or your business from known threats.

These security updates are applicable to both individuals and businesses.

Some of the security updates available protect against issues that may have been, or are known to have been, actively exploited.

Detail

This month’s Microsoft ‘Patch Tuesday’ addresses 55 vulnerabilities, many of which have been classified as ‘Critical’ and ‘Important’; notably, Microsoft Exchange Server and Office suite products (such as Word, Excel).

More information about the November 2021 Microsoft Security updates can be found here: https://msrc.microsoft.com/update-guide/releaseNote/2021-Nov

and here: https://msrc.microsoft.com/update-guide/en-us 

Apple has also recently released a number of security updates for all the main Operating Systems (iOS, macOS, watchOS, iPadOS) and some services/software (iCloud, Safari).

More information about the latest Apple Security updates can be found here: https://support.apple.com/en-us/HT201222

Recommended Action

Frequently monitor and review security updates for all of your systems and devices.
Implement security patches as soon as practicable.

Take a look at the ‘5 Steps to Cyber Security’ guidance on our Advice & Guidance page for more guidance on how to better protect your organisation.

 

If you have any concerns, or have been affected by a cyber-related issue, report it to us by submitting a Cyber Concerns Online Reporting Form.

Topics

  • Advisory
  • Vulnerability
  • Exploit
  • Patches and Updates