Three Leading Causes of IT Downtime

Three Leading Causes of IT Downtime

Three Leading Causes of IT Downtime

Welcome to the Allari blog! As owners of Allari, Ravi & I look forward to using this medium to share current information about IT Operations, Cybersecurity, software products & IT Management with our readers. We’ll report, analyze, and provide perspective & recommendations from some of the industry’s leading minds as well as from our direct experiences. We will strive to provide blogs that impart important information. These are the types of blogs that our team members prefer to read, and that’s exactly what we plan to provide.

John Mathieu, Founder
* Allari provides IT Operations & Cybersecurity services to organizations using IBM, Microsoft, Oracle & SAP Products. We provide a True IT as a Service delivery model with Offices in US, Ecuador, Brazil & India. Customers located in 56 countries.

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When your company relies on technology, any unplanned IT downtime could result in a loss of revenue.


According to ITIC’s 2017 Reliability and Hourly Cost of Downtime Trends Survey, more than 98% of companies with more than 1,000 employees say that on average, a single hour of IT downtime costs them more than $100,000. 


For companies of all sizes, IT downtime can also mean a decrease in productivity and negative customer experience, both of which impact the bottom line. To prevent downtime, it’s important to understand the root causes and properly safeguard your organization.  Based on our experience, the following are the three most common causes of IT downtime:

1. Cybersecurity Threats

In the same ITIC survey, human error and security were found to be the top two causes of IT downtime. Combined, these two issues create what we believe to be the leading cause of IT downtime: cybersecurity threats. 


Cybersecurity may begin with putting in place measures like spam filters, fraud detection software, multi-factor authentication and file encryption.

But human error is often the cause of data breaches. Without proper employee training, businesses are at greater risk of attack.

In order to prevent IT downtime, it’s important that businesses protect themselves from cyber attacks with the right security measures and employee training. 

2. Power or Internet Outages

A less-preventable cause of IT downtime is power or internet outages due to weather or other unforeseen circumstances. While these outages are unexpected, businesses can prepare for them to help reduce the impact on the organization.


For large companies, a back-up generator may be a good solution. For smaller businesses, off-site server hosting or cloud-based hosting can also mitigate losses during an outage. In addition, redundancies in internet connections may be worth exploring. 

For companies with zero tolerance for downtime, contracting with both a fiber-optic internet service (FiOS) provider and cable internet provider will provide a safeguard should one provider go down. 

3. Hardware Failure

Rounding out the top three unplanned downtime causes is network or server hardware failure. When the servers that host your data, applications and resources fail, it can bring operations to a halt.

Typically, the cause of failure is hardware that needs to be replaced or repaired. This can take several hours or days, depending on your provider and service level agreement. 


To mitigate the risk of IT downtime due to failing hardware, your business should have certain redundancies in place. We recommend duplicating hardware such as networks, firewalls, routers and switches. In the event that your hardware fails, the fail-over device can step in, reducing IT downtime. We also recommend regularly assessing devices and replacing them before they fail.


Source: Gregory Zolkos

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