US itek’s Blog

Hackers ‘Abusing’ Microsoft Exchange Server Vulnerabilities: Huntress

Threat researcher Huntress is warning MSPs of on-premise Microsoft Exchange Server ProxyShell vulnerabilities that could be exploited by cybercriminals as early as this weekend.

Huntress has seen 140-plus webshells on Microsoft Exchange Server 2013, 2016, and 2019. The threat researcher said it has uncovered 1,900 plus unpatched boxes in 48 hours.

LockFile Ransomware Encrypting Domains Via Exchange Hack

A new ransomware operator is taking over Windows domains on networks around the world after exploiting a chain of Microsoft Exchange server vulnerabilities called ProxyShell.

The LockFile ransomware gang has taken advantage of the Microsoft Exchange ProxyShell and Windows PetitPotam vulnerabilities to hijack Windows domains and encrypt devices, security researcher Kevin Beaumont reported Saturday.

SolarWinds Hackers’ New Attack Is ‘Another Wake-Up Call’ For Microsoft Partners

The latest SolarWinds hackers’ cybersecurity attack on 140 Microsoft IT resellers and service providers with as many as 14 successfully breached is yet another wake-up call for the beleaguered Microsoft partner community, said partners.

“I wouldn’t want to be an MSP who is just starting to think about cybersecurity now as they might not exist in another year,” said David Stinner, president of US itek, a Buffalo, N.Y.-based MSP that has invested heavily in a multi-layered security stack for its customers over the last several years.

Tips to optimize your VoIP systems for the holidays

December 13th, 2021 VoIP

Many customer-facing businesses often experience a surge in customer calls during the holidays. It’s therefore important that your Voice over Internet Protocol (VoIP) phone systems are capable of handling the increased network demands and activity during one of the busiest times of the year.

Groups, Yammer, or Teams: Which one should you use?

While most Microsoft 365 apps serve a particular purpose, tools like Microsoft 365 Groups, Yammer, and Microsoft Teams can all be used for office communication and collaboration. However, there are a few small differences among these three tools. Read on to learn more.

Here’s how to speed up Google Chrome

In 2008, Google introduced Chrome web browser, and it quickly became widely popular because of its remarkable speed and user-friendliness. However, it can become sluggish over time, especially if you’ve installed extras such as extensions and other add-ons.

UPS: A must-have for network equipment

Power outages can happen anytime and for a number of reasons, including accidents and natural disasters such as fires and hurricanes. While there’s little your business can do to prevent a power outage, you can mitigate its impacts on your operations by deploying an uninterrupted power supply (UPS) for your computers and networking equipment.