Interlink Cloud Blog
Matt Scherocman

How To Protect Your Users From Ransomware and Vicious New Maladies Hidden In Your Incoming Email

How To Protect Your Users From Ransomware and Vicious New Maladies Hidden In Your Incoming Email

Protecting Your Email with Exchange Online Advanced Threat Protection 

With the constant threat of malware, companies have to constantly find ways to stay ahead.  How do you protect your data from these threats when they are constantly evolving and becoming more aggressive?  Microsoft has a solution in Exchange Online called Advanced Threat Protection (ATP).  It is another layer of must-have security that Microsoft offers to meet all your business needs. 

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Matt Scherocman

Important Notice About Certificate Expiration for Exchange 2013 Hybrid Customers

Attention customers running Exchange in hybrid mode

Microsoft is making a change on April 15th that will possibly break mail flow from your on-premises environment to the Office 365 platform.  

This will have no impact on you if you are not running Exchange in hybrid mode. Please see the full details below on who will be affected. 

Our team is standing by to assist you with this change if needed to ensure mail flow is not interrupted.  


If you’re running Exchange 2013 and you’ve configured a hybrid deployment with Office 365, this post contains important information that might impact you. Please evaluate this information and take any necessary action before April 15, 2016. 

On April 15, 2016, the Office 365 TLS certificate will be renewed. This certificate is used by Office 365 to provide TLS encryption between Office 365 and external SMTP servers. The new certificate, which will help improve the security of mail sent to and from Office 365, will be issued by a new Certificate Authority and it will have a new Issuer and Subject.

This change has the potential to stop hybrid mailflow between Office 365 and your on-premises Exchange servers if one of the following conditions applies to you:

  • Your on-premises Exchange servers are running Exchange 2013 Cumulative Update 8 (CU8) or lower.
  • You’ve upgraded the Exchange 2013 servers that handle hybrid mailflow to Exchange 2013 CU9 or higher. However, since upgrading to CU9, you HAVE NOT re-run the Hybrid Configuration wizard (either from the Exchange Admin Center or via the direct download link).

If one of the previous conditions applies to your organization, hybrid mailflow between Office 365 and your organization will stop working after April 15, 2016 unless you complete the steps below.

Note: This only affects hybrid mailflow. Regular mailflow and TLS encryption is NOT affected.

How to keep hybrid mail flowing (MUST be completed before 4/15/2016)

Let the new Hybrid Configuration wizard do it for you

You can use the latest Hybrid Configuration wizard (HCW) to configure your Exchange 2013 servers to work with the new TLS certificate. Just follow these steps:

  1. If the Exchange 2013 servers handling hybrid mailflow are running Exchange 2013 CU8 or lower, follow the instructions in Updates for Exchange 2013 to install the latest cumulative update on at least one server.
  2. After you install the latest cumulative update, download the new HCW application and run the wizard following the instructions here.

Note: For information on which releases of Exchange are supported with Office 365, see Hybrid deployment prerequisites.

Manual update

If you can’t upgrade Exchange 2013 to latest cumulative update right now (although we would like to remind you of our support policy), you can manually configure your servers to work with the new TLS certificate. On each Exchange 2013 server that’s used for hybrid mailflow, open the Exchange Management Shell, and run the following commands:

$rc=Get-ReceiveConnector |where {$_.TlsDomainCapabilities -like "**"}

Set-ReceiveConnector -Identity $rc.Identity -TlsDomainCapabilities "mail.protection.outlook.com:AcceptCloudServicesMail

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Matt Scherocman

Microsoft Office 365: Taking Information Security to a Whole New Level

Office 365 Taking Information Security

Imagine a world where you can continue work without even worrying about security. Microsoft Office 365 is getting closer and closer to that reality with controls that follow your data without affecting user productivity. Microsoft has (and is) investing a ton of time and resources making Office 365 secure, and it goes way beyond hard passwords and data encryption. Below is a quick look at just some of the ways they’re accomplishing this.

Secure Access Anywhere:

Once you set the rules for data loss prevention, the Office 365 service proactively protects in the background. You don’t have to take the data out of the service to protect it. It’s still usable in the cloud while completely secure to your organization based on who you’ve allowed permissions. New identity and access management controls allow you to set appropriate permissions that can be revoked at any time. Better yet, no matter where your data resides, Office 365 protects it while also protecting your device.

Policy Tips:

When you author a document, Office can inform you of any risks through policy tips before you save that document. Policy tips are based on the policies that you have set up in Office 365. When you’re checking email, Office 365 can detect malware before you’re even exposed to it, blocking malicious links across all devices.

Advanced Threat Protection (ATP):

ATP proactively protects against incoming threats. Phishing attacks are becoming more common and definitely more advanced. ATP catches any and all suspicious content and runs it through a real-time behavioral malware analysis. Suspicious attachments and malicious links don’t stand a chance when Office 365 is on the case.

Data Loss Prevention (DLP):

Office 365 backs up your data, sure, but it does it with security top of mind. DLP allows you to set granular policies so that when data is shared, it follows certain actions that you determine.

Productive Artificial Intelligence:

In the future, Office 365 will have the ability to suggest proactive security, giving you a 360-degree view on the security of your data wherever it is stored. To do this, Microsoft is using machine learning, which is implementing pattern recognition so that computers can learn without being explicitly programmed. Yes, artificial intelligence…but not take over the world type AI, beneficial and useful AI for you and your business. Intelligent protection can further help keep your data secure.

These advanced controls, accessibility, and security measures are making Office 365 even better and making users even more productive. For a service that already streamlines business processes, they are covering all the bases of security while they’re at it.

Are you wondering how these security features fit into your overall data protection plan?

Maybe you need insight into how to license the different options?

Contact Interlink and we’ll answer any and all of your questions.
We’ve helped highly regulated industries like banking and healthcare make the move – we can help you.

Office 365 Free Trial

Matt Scherocman

Data Loss Prevention (DLP) in New Office 2016, SharePoint Online, and OneDrive for Business

Data Loss Prevention (DLP) in New Office 2016, SharePoint Online, and OneDrive for Business

Clients have benefited from Data Loss Prevention (DLP) technology within Exchange Online for years. Microsoft is now expanding the functionality to cover data and documents that may be in Office, SharePoint, and OneDrive. Plus they are enhancing the console where the policy rules are managed so that the policy rules for all of the services are controlled in a single location.

Client can continue to use the templates that Microsoft builds to help them stay compliant with regulations like PCI and HIPPA. Severity levels can also be set – so administrators, for example, could have one set of actions that happen if a user tries to send a credit card number externally and another if they are trying to send a file that contains ten or more credit card numbers in it.

DLP not only is for people who are actively trying to share content that they shouldn’t, it is also for people who didn’t notice that there was a company credit card contained 10 emails down in a thread before they forward it to a new distribution list.

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Matt Scherocman

Office 365 Security Overview

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