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CISA Insights on Risk Considerations for Managed Service Provider Customers

The Cybersecurity and Infrastructure Security Agency (CISA) released a new Insights, Risk Considerations for Managed Service Provider Customers (MSPs), which provides a framework that government and private sector organizations (to include small and medium-sized businesses) outsourcing some level of IT support to MSPs can use to better mitigate against third-party risk. As CISA notes, IT managed services can provide cost benefits and operational efficiencies to many organizations. However, managing these services can be complex, costly, and time-consuming.

Security Awareness – Cybercrime Recruiting for BEC Accomplices

Although ransomware incidents persistently make international headlines, Business Email Compromise (BEC) is still a global menace and may become more difficult to detect. In 2020, BEC cost U.S. businesses $1.8 billion and represented 43 percent of all cybercrime losses for the year. Researchers at the cybersecurity firm Intel 471 recently observed actors on multiple cybercrime forums seeking partnerships with other criminals to engage in BEC attacks.

Vulnerability Management – Exchange Servers are Finicky to Patch, but Shouldn’t be Overlooked

No one plans on compounding deferred patches, but when error messages are confounding, we often move on to seemingly more immediate (and less frustrating) fires. This initial patch deferment often lasts months, or even years until the device is either compromised or replaced (often due to end-of-life). For instance, several events this year have highlighted the significant vulnerabilities affecting unpatched Microsoft Exchange Servers and the subsequent risk that presents to the system or an entire network.

ProxyToken – the Most Recent Microsoft Exchange Vulnerability

Another vulnerability associated with Microsoft Exchange Server has been disclosed. The flaw, dubbed “ProxyToken,” allows remote attackers to bypass authentication and alter an Exchange email server’s backend configuration. This vulnerability could be exploited by a threat actor to copy all emails sent to a specified target account and then forward those emails to a separate account controlled by the attacker.

Cybersecurity Hygiene – Password Re-use, not Just for Users

Users are not the only ones to suffer from password re-use across multiple sites, services, or devices. Unfortunately, many system administrators use the same passwords for local administrator access across all workstations for ease of technical support. But what’s good for the sysadmin, is also good for the threat actor who gains access to password hashes. Pen Test Partners (PTP) briefly discusses the issues with admin password re-use and suggests a more secure solution than using the same local admin password across all workstations.

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