The Modern Workplace – Trends & solutio...

Metamorphic malware and polymorphic malware

Cyber attacks – Know your enemy

Most amazing Exchange email report

Office 365

Exchange SCL and EOP headers

Exchange SCL and EOP headers are essential to understand how Exchange Online Protection or EOP really works. Analyzing such headers is the key to master EOP

Email Message P1 and P2 headers

by Ammar Hasayen | Published on Aug 19, 2017 | Exchange, Office 365, Security | 0 |
Modern workplace tip of the iceberg

by Ammar Hasayen | Published on Aug 2, 2017 | Enterprise Mobility & Security, Office 365 | 0 |
Hosted voice mail in Office 365 Part 1/2

by Ammar Hasayen | Published on Aug 1, 2017 | Exchange, Office 365 | 0 |
Exchange UM voice mail, OVA, and auto attendant

by Ammar Hasayen | 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 | 0 |
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 |

Enterprise Mobility & Security

Azure Multi-Factor Authentication server

by Ammar Hasayen | Published on Jul 16, 2017 | Azure, Enterprise Mobility & Security, Security | 0 |

Azure Multi-Factor Authentication server helps you protect on-premises applications with Microsoft Azure multi-factor authentication cloud service.

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 | 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 |
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

Migrate your certification authority root CA to Windows 2012 R2

by Ammar Hasayen | Published on Jul 16, 2017 | PKI, Security | 0 |

Deep dive in how to migrate your certification authority root CA to Windows 2012 R2, why would you consider doing that, and what might go wrong.

Exchange Online Protection Overview

by Ammar Hasayen | Published on Jun 30, 2017 | Office 365, Security | 0 |
Restricted Admin mode for RDP

by Ammar Hasayen | Last updated Jun 22, 2017 | Published on Jun 9, 2014 | Security | 0 |
What is pass the hash attack and how to mitigate it

by Ammar Hasayen | Last updated Jun 21, 2017 | Published on Jun 4, 2014 | Security | 0 |
How to use TLS with Remote Desktop Server RDS 2012

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on Mar 20, 2014 | Security | 1 |
How to set your SLA for certificate authority?

by Ammar Hasayen | Last updated Jun 16, 2017 | Published on Dec 27, 2013 | PKI, Security | 0 |

PKI

What is Public key Infrastructure PKI?

In this blog post, I will be talking about basic definition of Public Key Infrastructure PKI, and reveal the problems that PKI promises to solve. Internet is a city Imagine you live with your family in friendly neighborhood....

How to implement a PKI recovery plan

by Ammar Hasayen | Last updated Jun 27, 2017 | 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 |
How to archive encryption keys

by Ammar Hasayen | Last updated Jun 15, 2017 | Published on Sep 25, 2013 | PKI, Security | 2 |
How to design a PKI hierarchy

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

Exchange

Exchange multi mailbox search – segregation of duties

Exchange multi mailbox Search This blog post is all about putting more restrictions and governance...

Exchange disaster recovery and data center switch over unleashed

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on May 4, 2014 | Exchange | 0 |
Exchange deployment thoughts and tips

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on May 1, 2014 | Exchange | 3 |
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 |
Exchange group moderation report

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on Feb 17, 2014 | Exchange, PowerShell | 0 |

PowerShell
Infrastructure
Windows
Identity & Authentication

Symantec Backup Exec PowerShell report

Symantec Backup Exec PowerShell I was wondering if it is possible to connect using PowerShell to...

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 |
Exchange group moderation report

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on Feb 17, 2014 | Exchange, PowerShell | 0 |
Get exchange group manager

by Ammar Hasayen | Last updated Jun 20, 2017 | Published on Jan 23, 2014 | Exchange, PowerShell | 2 |

Remote local administrator & LocalAccountTokenFilterPolicy

This post is addressing the ability to invoke remote commands using the context of a remote local...

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.