security and privacy

Security and privacy tips

Introduction to security and privacy Security and privacy is a frequent topic of discussion nowadays. With ever increasing IT infrastructures at the service provider and enterprise level as well as with increasing IT knowledge among the average knowledge workers and home users, being aware of security and privacy fundamentals is […]

CVE Citrix

Citrix Security Vulnerability CVE-2019-19781

The Cybersecurity and Infrastructure Security Agency (CISA) has released a utility that enables users and administrators to test whether their Citrix Application Delivery Controller (ADC) and Citrix Gateway software is susceptible to the CVE-2019-19781 vulnerability. According to Citrix Security Bulletin CTX267027, beginning on January 20, 2020, Citrix will be releasing new versions of […]

Azure AD B2B collaboration users

An Azure Active Directory (Azure AD) business-to-business (B2B) collaboration user is a user with UserType = Guest. This guest user typically is from a partner organization and has limited privileges in the inviting directory, by default. Depending on the inviting organization’s needs, an Azure AD B2B collaboration user can be […]

Azure RBAC

Azure AD admin roles and Role Based Access Control (IAM)

Azure offers the following administrator roles out of the box for Azure AD administration. Billing Administrator: Makes purchases, manages subscriptions, manages support tickets, and monitors service health. Compliance Administrator:Users with this role have management permissions within in the Office 365 Security & Compliance Center and Exchange Admin Center. More information […]

Meltdown and Spectre vulnerabilities

Introduction Meltdown and Spectre exploit critical vulnerabilities in modern processors. These hardware vulnerabilities allow programs to steal data which is currently processed on the computer. While programs are typically not permitted to read data from other programs, a malicious program can exploit Meltdown and Spectre to get hold of secrets stored […]