Microsoft Exchange on-prem servers being exploited by zero-day vulnerabilities.

This is an active exploitation of customers on-prem Exchange servers and our research suggests that the spread is much larger than Microsoft had initially disclosed.

Our team has published a reddit thread and blog post to provide an overview of this threat and what we’re doing in response—check out the highlights below. Join us for a webinar Thursday, March 4th at 1:00pm EST to learn more about these vulnerabilities.

What’s happening?

According to Microsoft’s initial blog, they detected multiple zero-day exploits being used to plunder on-premise versions of Microsoft Exchange Server in what they claim are “limited and targeted attacks.” From our data and analysis, we’ve checked over 2,000 Exchange servers and found ~400 vulnerable with an added ~100 potentially vulnerable.

Why is this significant?

We have seen indicators that this is a large-scale, spray-and-pray attack—not just “limited and targeted attacks” as Microsoft suggested. The targeted organizations range from small hotels, appliance manufacturing, mom-and-pop shops all the way up to city and county governments, healthcare providers, banks and financial institutions and residential electricity providers.

Among the vulnerable servers, we also found over 300+ webshells deployed—some targets may have more than one webshell, potentially indicating automated deployment or multiple uncoordinated actors. And from what we’ve seen, the majority of these endpoints do have antivirus or EDR solutions installed—indicating that preventive security measures have failed to catch this threat.

What should you do?

If you use on-prem Microsoft Exchange Servers, assume you’ve been hit. We recommend you patch immediately, externally validate the patch, and hunt for the presence of these webshells and other indicators of compromise (visit the blog for more technical details).

On your Exchange servers, examine these filesystem paths:

• C:\inetpub\wwwroot\aspnet_client\
• C:\inetpub\wwwroot\aspnet_client\system_web\ (if system_web exists)

If you see unfamiliar .aspx files with random names, and their contents looks like log output with an ExternalUrl line indicating the use of “JScript” code, there is a strong possibility this host is compromised.

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UniFi-Video Products End of Life Announcement

Phasing out UniFi-Video products – Unifi-Video is EOL

Starting January, 1st 2021 (01/01/2021) all available UniFi-Video resources will focus on UniFi Protect to accelerate its development in terms of features, scalability, security, and continuous efforts to create the best user experience for our video-related products. 

This means UniFi-Video products will no longer be offered or supported, beyond 2020. More specifically: 

  • No software or hardware revisions will be released, including for web UI and mobile applications
  • No customer support will be available
  • No security updates
  • All cloud operations will be shut down and video.ui.com will no longer be accessible

The Plan Ahead for the EOL of Unifi-Video

You can expect two more UniFi-Video release cycles including beta releases (v3.10.13 and v3.10.14). These will address the most critical issues in terms of security updates and/or regressions, so if you plan on continuing to use UniFi-Video beyond the end of life date, we strongly recommend you upgrade your systems to these latest releases as they become available.

Switching to UniFi-Protect

If you decide to switch over to UniFi-Protect, a “one-click” migration of UniFi-Video managed cameras and some user settings will be available in the next controller release for a seamless transition.

Several options are/will be available in terms of NVRs depending on your cameras and storage needs.

UniFi-Protect currently supports the following camera models:

  • UVC, UVC-Dome, UVC-Pro 
  • All G2 cameras
  • UVC-G3, UVC-G3-Flex, UVC-G3-Dome, UVC-G3-Micro, UVC-G3-Pro
  • UVC-G4-Bullet, UVC-G4-Pro

Existing UniFi-Video Recordings

Recordings will not be migrated over to Protect, but they will remain accessible from UniFi-Video applications as long as you keep the UniFi-Video controller running on your NVR/Server.

Note: Remote access has been extended to Jan. 15, 2021 – users will still be able to log in and access their UniFi Video installations via video.ui.com until this date.

Your Company is Remote But is it Secure?

Your Company is Remote – But is it Secure?

2020 has forced many companies to rapidly switch their teams to remote work, sometimes moving hundreds of employees to remote access within days. IT teams across the globe scrambled to set up these new infrastructures, resulting in quickly patched-together solutions that may need reevaluation as companies settle into the remote work routine. Now is the time to assess and optimize your company’s current remote setup and ask:

How secure is your network?

Securing Your Remote Workers

A secure and easy-to-use is important as employees navigate workspaces without colleagues or IT teams in the same physical space. Fortunately, these concerns can be addressed.

Secure User Access

Working from home comes with its own set of security risks but securing access to your company’s network is an excellent first step toward minimizing these risks. Use the following tools to secure user access:

  • Conditional Access: Allows you to control access to your network based on location, app, device state, and user state.
  • Multi-Factor Authentication: Protects your network against lost or stolen passwords.
  • Virtual Desktops: Allows you to build a virtual desktop for workers which gives them remote access to the information in the virtualized session and prevents them from saving any data on their local workstations.

Manage Devices

In addition to securing user access, it is important to secure their devices, too. This has become more difficult with more people using laptops, desktops and other mobile devices to access company data, but there are solutions for securing this technology, too:

  • Mobile Device and App Management: Helps manage work data on mobile apps and decide how much control you want to exert on mobile devices accessing your company’s network.
  • Antivirus Protection: Along with keeping devices up to date and strengthening security policies, protect critical data with antivirus and ransomware protection.
  • Automation: Seamlessly deploy and provision apps, configurations, and user settings across all network users and devices.

Protect Data

Another crucial aspect of network security is data protection. Policies that control access and sharing of data must be put into place. Implementing these measures prevents phishing and ensures confidential data, including social security numbers and other personal identification information, is secure.

Data protection can help in the following ways:

  • Data Loss Prevention: Protects against accidental data leaks, allowing you to detect, monitor, and defends confidential data from being unintentionally shared while helping users learn how to stay compliant without interrupting their workflow.
  • Information Protection: Control access to data and documents by allowing you to decide whether an email or a document can be viewed, forwarded, or printed by a non-employee.
  • Cloud App Discovery: Prioritizes apps, identifies high-risk users, and allows you to integrate applications to enable single sign-on and user management.

Other Security Features

As teams across the world continue to tackle the remote work environment, introducing additional security updates to your organization can ensure protection against threats and introduced new security offerings. These security features include:

  • Strengthen Endpoint Management: Allow your IT teams to make remote and hybrid work possible with the support and management of virtual endpoints. Drive your IT team’s efficiency by enabling the management of virtual desktop infrastructure solutions within the same console as their physical desktops.
  • Defend the Security of Your Network:;Provide security solutions against complex phishing and ransomware attacks by implementing sophisticated attachment scanning, automatic checks of links, and anti-spoofing intelligence.

Need Help Securing Your Network?

BUGS BYTE understands the necessity of securing your IT systems to make it safe for your teams to work remotely. By using BUGS BYTE’s Secure Remote Work Environment services, you can rely on us to assess your current strategy, identify and remediate any gaps, and help you plan for the continuous management of this strategy for the future.

2020 has forced many companies to rapidly switch their teams to remote work, sometimes moving hundreds of employees to remote access within days. IT teams across the globe scrambled to set up these new infrastructures, resulting in quickly patched-together solutions that may need reevaluation as companies settle into the remote work routine. Now is the time to assess and optimize your company’s current remote setup and ask:

Need Help Securing Your Network?

BUGS BYTE understands the necessity of securing your IT systems to make it safe for your teams to work remotely. By using BUGS BUYE’s Secure Remote Work services, you can rely on us to assess your current strategy, identify and remediate any gaps, and help you plan for the continuous management of this strategy for the future.

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Cisco Meraki Logos
Meraki MX Firewall as a Cisco ISR Router

If you are looking for a solution so replace your aging fleet of Cisco ISR 2900 and 3900 routers – then you are not alone. See how we ended up with Meraki MX firewalls as this story unfolds.

Cisco’s end-of-life announcements ends software maintenance and security support at the end of 2020. By 2022 the entire lines are considered obsolete and no support is offered.

A metropolitan housing authority in Ohio has found themselves in this position. They have a couple dozen properties in the county with small connected management offices. They reached out to us for a solution.

The proposed solution is Meraki MX67W at each management office or branch.

The unique component to this solution is their WAN topology. In this case, each branch is connected to a datacenter by a private MPLS cloud. Each branch then traverses a datacenter uplink for public access.

In contrast; most topologies will have direct internet access (DIA) to each branch, which is also used as IPSec VPNs for connecting to other sites.

The fundamental difference with the customer’s WAN topology is that there is no reason to firewall the branches’ uplinks to the datacenter. Further the datacenter can NOT be firewalled when reaching the branch. Similarly NAT (network address translation) breaks the organization’s access to each respective site.

Finally the point-to-point links, or the private MPLS, costs per megabyte are magnitudes higher than the cost per megabyte for broadband.

Our solution replaces the routers with firewalls but circumvents the firewall features for the inter-site traffic. Further, the design allows the customer a future transition to the far less expensive broadband without the purchase of any equipment.

The problem with the design is that Meraki MXs are managed thru the Meraki cloud, they call it their “Dashboard“. The MX will only connect with the Dashboard over a WAN interface that is both firewalled and NAT’d. But we cant have the uplink traffic inspected nor manipulated.

In our solution we proposed two options:

  1. NAT Exemption” & firewall whitelist
  2. A dedicated link for Dashboard access

The problem with the NAT Exemption feature is that it is not fully supported by the vendor, Meraki. It has been in BETA testing for over two years.

The problem with the dedicated link for Dashboard access is that the Telco equipment may not have the extra port. Or the Telco may not provision more than a single port for the customer.

It remains to be seen which way this cookie crumbles when the customer weighs in. While both options have their associated risks, the design process and considerations were a good exercise.

Which way would you go if you were responsible for the environment after the IT consultant walked away?

Public WiFi for your Business

Business WiFi

Customers using WiFi at retail business spend 23% more and increase visit frequency by 19% when compared to customers that do not connect to WiFi. Customer spend and frequency rates decrease even more when businesses are in cellular dead zones.

Retail business providing WiFi service to customers see 28% more customer loyalty when compared to their competitors that do not provide customer access to WiFi.

Retail businesses see an increase in customer spend and loyalty within 10-days of a new WIFi implementation. Public signage of WiFi service increases foot traffic. Menu mentions of WiFi increases customer loyalty as well as improves labor efficiency.

Public WiFi and Hotspots are the single most exploited target for business cybercrime and customer identity theft. Savvy customers will know if WiFi is in-secure and will not use, circumvent systems and exploit access.

Everyday Edgebrook WiFi leverages all these benefits and eliminates the risks.

Your Edgebrook WiFi Customers will have easy one-click, reliable access to spend more time and return more frequently – because they know they are secure from cyber threats and identity theft. No passwords getting to the wrong people and no need to routinely change passwords.

Your business systems are secure against threats from customers and the Internet. Protecting your business operations and point-of-sale for your PCI compliance.


  1. All your customers will recognize familiar networks and logos from other community businesses
  2. Customer access click-thru sign-on – no password needed, still secure
  3. No upfront costs (AT&T/Comcast service is required)
    1. Equipment financing, maintenance and on-going support available for low monthly charges (bartering agreements are available too)
  4. Cloud managed for
    1. quick remote support, easy changes and upgrades
    2. See who is in your store now – staff and customers from the Internet
  5. Secure all customer device traffic and isolate business operations
  6. 100% WiFi coverage across your entire store without dead zones
  7. Market your website, promotions and Facebook pages
  8. Cross marketing from participating Edgebrook businesses (coming soon)
  9. Cross promote reward/loyalty programs (coming soon)
  10. Intrusion detection and prevention – prevent cybercriminals from accessing your point of sale (PoS)
  11. Deep packet inspection – see what Internet services and mobile devices your customers use most
  12. Email alerts when new customers sign-in or when system failures occur
  13. Bolt-on services for security cameras, telephones and energy efficient lighting solutions too
  14. Control staff and customer access on an individual basis.

About Us

Kevin Benson is a professional technical Architect specializing in information security, system virtualization and networking – providing business critical solutions to the countries fortune-1000 customers.

Kevin has always been a native Chicagoan, and a Sauganash resident for 12-years. Kevin supports the community and local business, and is passionate about technology. It is for this reason that he offers to work for community businesses on a freelance basis and accepts barter in trade for these valuable services. Kevin freelances under the company name of Bugs Byte (www.bugsbyte.com)

Ubiquiti Unifi Software Defined Networking

Ubiquiti provides a stack of IT solutions to the prosumer (Professional Consumer) and the small to medium sized business. Ubiquiti stack of solutions offers networking (Unifi), video and voice, all with software management and cloud integration.

Bugs Byte has just delivered a solution from Ubiquiti for Dayton Place. In this deployment Dayton Place can now have complete visibility to their internal network and video security from anywhere with Internet access.


The Ubquiti Cloud Key is at the heart of the Ubiquiti Unifi solution to software defined networking (SDN). The Cloud Key is the local software that ties in the management of the entire Unifi solution – including wireless, connectivity, security and monitoring. The Cloud Key software can be installed on any computer (Window, Mac and Linux); however, is also sold as a PoE powered appliance needing only connected by one port to a PoE switch. With properly configured network and security settings, a Cloud Key can reside on any connected network and manage equipment at remote Internet connected sites. Once the Cloud Key is paired up with a Unifi cloud account, all of its management and monitoring features are accessible in the cloud.

All of the Ubiquiti services, video, voice and networking, are available to be installed on computers of various operating systems (PC, Mac etc.), but also provide decentralized management through apps for IOS and Android (sorry BlackBerry). In the Dayton Place application the Cloud Key and Network Video Recorder (NVR) appliances were selected  for their relative low cost and compatibility when comparing to Windows/Intel implementation.

The Cloud Key when connected to a Unifi account enables cloud access to settings, monitoring and firmware updates for WiFi, ethernet and firewall equipment.


Ubiquiti Access points (UAP) were installed to provide up to four independant SSIDs each. Ubiquiti offers a range of wireless access points (WAP) in two distinct applications. The range of coverages offered start with the residential customer in homes and scale up to the wireless fiber for line-of-site connection between distant buildings. Applications include conventional ceiling and wall mount as well as an innovative recepticle design. The receptical design replaces a convential ethernet wall jack with with and all-in-one PoE powered WAP and RJ45 jack with PoE pass-thru.

During this process it was learned that the UAPs required a legacy version of PoE (24-volt passive) that is not supported by current Ubiquiti switches. in essence, current PoE standards (802.11at) incorporate a power negotiation between the device providing the power and the device consuming it. While some lines of Ubiquiti switches have maintained support for legacy PoE, Ubuquiti has committed to phasing it out entirely. In the mean time, the legacy PoE is available with the in-box PoE injector as well as in-line converters from the current standards to the legacy. Using the converters will allow remote power cycling devices via the switch port management where as the injector will require hands-on effort.

The current WiFi implementation provides conventional password protected (WPA-PSK) access to WiFi. Additionally the solution does offer custom portals, walled gardens, hot spots and other guest access features.

This solution is planned to segment SSIDs for each tenant/guest as well as to implement guest services feature for transient use without needing to provide a password.


Dayton Place is serviced by RCN cable internet broadband for its internet up-link. The service installed includes 155Mb download and 25Mb upload with a dynamically assigned IP address.

The Arris Gateway was provided by RCN and set to bridged mode. This will pass expose any downstream device to public Internet. In this mode the all routing, NATing and firwall functions can be handed off to the downstream device – Ubiquiti Secure Gateway in this case.

An unexpected condition occurred with this particular Arris gateway once set to bridge mode – The WiFi remained enabled but now handed out public IP addresses to wireless clients. And there is evidence that settings for dynamic DNS (DDNS) were retained after factory reset and despite bridge mode.

The gateway is planned to be replaced with a customer owned device in order for a 4-month return on investment (ROI).

… See more about the video, switch and firewall implementations in the next post.