My 10 minutes TEDTalks – Digital Transformat...

Modern workplace tip of the iceberg

The Modern Workplace – Trends & solutio...

How business should approach the cloud?

Metamorphic malware and polymorphic malware

Cyber attacks – Know your enemy

Digital Transformation

My 10 minutes TEDTalks – Digital Transformation

I was honored to be nominated to speak about digital transformation and the era of disruption in...

Modern workplace tip of the iceberg

by Ammar Hasayen | Last updated Nov 13, 2017 | Published on Aug 2, 2017 | Digital Transformation, Enterprise Mobility & Security, Office 365 | 0 |
The Modern Workplace – Trends & solutions

by Ammar Hasayen | Last updated Nov 13, 2017 | Published on Aug 2, 2017 | Azure, Digital Transformation, Enterprise Mobility & Security, Office 365 | 0 |
How business should approach the cloud?

by Ammar Hasayen | Last updated Nov 11, 2017 | Published on Jul 31, 2017 | Digital Transformation | 0 |

Office 365

EOP Exchange Online Protection Architecture

Deep dive into EOP Exchange Online Protection Architecture and discover how it works behind the scene, and how messages are being filtered and assigned SCL.

Hybrid Email moderation and Remote Domains

by Ammar Hasayen | Last updated Feb 12, 2018 | Published on Feb 12, 2018 | Exchange, Office 365 | 0 |
Hybrid Email Moderation in Office 365

by Ammar Hasayen | Last updated Apr 5, 2018 | Published on Feb 12, 2018 | Exchange, Office 365 | 0 |
Microsoft Cloud Security Approach & Architecture

by Ammar Hasayen | Last updated Feb 14, 2018 | Published on Jan 31, 2018 | Enterprise Mobility & Security, Office 365, Security | 0 |
Office 365 Groups Policy Settings

by Ammar Hasayen | Published on Dec 24, 2017 | Office 365, PowerShell | 0 |
Hosted voice mail in Office 365 Part 2/2

by Ammar Hasayen | Last updated Sep 17, 2017 | Published on Sep 17, 2017 | Exchange, Office 365 | 0 |
Exchange SCL and EOP headers

by Ammar Hasayen | Last updated Feb 13, 2018 | Published on Aug 19, 2017 | Exchange, Office 365 | 0 |
Email Message P1 and P2 headers

by Ammar Hasayen | Last updated Feb 13, 2018 | Published on Aug 19, 2017 | Exchange, Office 365, Security | 0 |

Enterprise Mobility & Security

Azure AD GUID to Azure AD ImmutableID converter

by Ammar Hasayen | Published on Feb 14, 2018 | Azure, Enterprise Mobility & Security | 1 |

This tool will help you convert Object GUID from your Active Directory to the corresponding ImmutablieID in Azure Active Directory.

Azure Multi-Factor Authentication server

by Ammar Hasayen | Published on Jul 16, 2017 | Azure, Enterprise Mobility & Security, Security | 0 |
Azure multi-factor authentication or Azure MFA

by Ammar Hasayen | Last updated Jun 25, 2017 | Published on Jun 25, 2017 | Azure, Enterprise Mobility & Security, Security | 1 |
How to think of multi-factor authentication as a service model?

by Ammar Hasayen | Published on Jun 24, 2017 | Azure, Enterprise Mobility & Security, Identity & Authentication, Security | 0 |
What is federated identity and how it works?

by Ammar Hasayen | Published on Jun 22, 2017 | Enterprise Mobility & Security, Identity & Authentication | 0 |
Claims-Based Authentication Unleashed

by Ammar Hasayen | Last updated Jun 24, 2017 | Published on Sep 22, 2014 | Enterprise Mobility & Security, Identity & Authentication | 0 |

Security

How to migrate your certification authority hashing algorithm from SHA-1 to SHA-2

by Ammar Hasayen | Published on Apr 19, 2018 | PKI, Security | 0 |

A practical guide on how to migrate your certification authority hashing algorithm from SHA-1 to SHA-2, and guidance on cryptographic providers, what makes your CA SHA-2 capable, and step by step guide with screenshots.

What is Strict KDC Validation?

by Ammar Hasayen | Last updated Apr 15, 2018 | Published on Apr 15, 2018 | PKI, Security | 0 |
What is Azure Key Vault?

by Ammar Hasayen | Last updated Nov 1, 2017 | Published on Oct 26, 2017 | Azure, Security | 0 |
How to use Azure key vault with PowerShell to encrypt data

by Ammar Hasayen | Last updated Oct 26, 2017 | Published on Oct 26, 2017 | Azure, PowerShell, Security | 0 |
Migrate your certification authority root CA to Windows 2012 R2

by Ammar Hasayen | Published on Jul 16, 2017 | PKI, Security | 0 |
Exchange Online Protection Overview

by Ammar Hasayen | Last updated Feb 13, 2018 | Published on Jun 30, 2017 | Office 365, Security | 0 |

PKI

PKI certificate services SHA-1 deprecation

What the story with SHA-1 and what you should do about it? Join me to learn about the complete story about SHA-1 deprecation, how it might affect you, and what should you do about it.

How to set your SLA for certificate authority?

by Ammar Hasayen | Last updated Jun 16, 2017 | Published on Dec 27, 2013 | PKI, Security | 0 |
What is Public key Infrastructure PKI?

by Ammar Hasayen | Last updated Jun 16, 2017 | Published on Dec 26, 2013 | PKI, Security | 0 |
Three different ways for certification authority backup

by Ammar Hasayen | Last updated Apr 19, 2018 | Published on Oct 5, 2013 | PKI, Security | 0 |
FIM smart card management guide

by Ammar Hasayen | Last updated Jun 15, 2017 | Published on Sep 26, 2013 | PKI, Security | 0 |
Certificate web enrollment services

by Ammar Hasayen | Last updated Jun 15, 2017 | Published on Sep 25, 2013 | PKI, Security | 0 |

Exchange

Hosted voice mail in Office 365 Part 1/2

Learn how hosted voice mail works in hybrid environment where the user mailbox is in Office 365, and his Skype extension is using on-premises Skype infra.

Exchange UM voice mail, OVA, and auto attendant

by Ammar Hasayen | Last updated Apr 12, 2018 | Published on Jul 30, 2017 | Exchange, Office 365 | 0 |
Exchange UM architecture & Exchange UM dial plan

by Ammar Hasayen | Last updated Jul 30, 2017 | Published on Jul 28, 2017 | Exchange, Office 365 | 2 |
What is Exchange Unified Messaging [a.k.a Exchange UM]

by Ammar Hasayen | Last updated Jul 30, 2017 | Published on Jul 28, 2017 | Exchange, Office 365 | 0 |
Exchange Online and Remote Domain

by Ammar Hasayen | Published on Jul 25, 2017 | Exchange, Office 365 | 0 |
Exchange multi mailbox search – segregation of duties

by Ammar Hasayen | Last updated Jun 22, 2017 | Published on Jun 11, 2014 | Exchange, Office 365 | 1 |

PowerShell
Infrastructure
Windows
Identity & Authentication

Office 365 Groups Policy Settings

by Ammar Hasayen | Published on Dec 24, 2017 | Office 365, PowerShell | 0 |

Learn how to govern the use of Office 365 Groups inside your company, by configuring Office 365 Groups Policy Settings.

How to use Azure key vault with PowerShell to encrypt data

by Ammar Hasayen | Last updated Oct 26, 2017 | Published on Oct 26, 2017 | Azure, PowerShell, Security | 0 |
Symantec Backup Exec PowerShell report

by Ammar Hasayen | Last updated Jun 22, 2017 | Published on Oct 14, 2014 | PowerShell | 15 |
Charts with PowerShell advance techniques

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on May 4, 2014 | PowerShell | 8 |
Exchange Get-MailboxStatistics observations

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on Apr 29, 2014 | Exchange, PowerShell | 0 |
Exchange database health report

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on Apr 6, 2014 | Exchange, PowerShell | 3 |

Get configuration manager update size before deploying

Have you ever wondered why you cannot see the size of updates inside configuration manager software update console? In this blog post, we will get a configuration manager update size report, and unlock the mystery behind that.

Configuration Manager Report (Most Amazing Hardware Inventory SQL Report)

by Ammar Hasayen | Last updated Apr 19, 2018 | Published on Apr 16, 2018 | Infrastructure | 2 |
Remote local administrator & LocalAccountTokenFilterPolicy

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on Apr 23, 2014 | Infrastructure | 0 |
Windows BranchCache deep dive

by Ammar Hasayen | Last updated Jun 16, 2017 | Published on Oct 4, 2013 | Infrastructure, Windows | 0 |
How clients discover nearest domain controller – DC Locator

by Ammar Hasayen | Last updated Jun 15, 2017 | Published on Jun 4, 2011 | Infrastructure | 1 |

Windows BranchCache deep dive

BranchCache Introduction BranchCache is a WAN optimization technology that is included in some...

Explore Windows Robocopy and move files faster

by Ammar Hasayen | Last updated Jun 14, 2017 | Published on Apr 24, 2008 | Windows | 0 |

How to think of multi-factor authentication as a service model?

by Ammar Hasayen | Published on Jun 24, 2017 | Azure, Enterprise Mobility & Security, Identity & Authentication, Security | 0 |

Start thinking of Multi-factor authentication as a service, and not as smart cards and tokens. It should protect cloud workloads beside on-premises apps.