attacks. However, in their most recent attack. Kimsuky exploits DMARC they changed their tactics philippines telegram data and exploited DMARC policies, which offer no protection. This highlights the need for DMARC practices to be at the core of an organization’s security.
On May 2, 2024, the Federal Bureau of Investigation (FBI), the U.S. State Department, and the National Security Agency (NSA) issued a joint advisory warning that Kimsuky was exploiting permissive DMARC policies to launch spear phishing attacks. Let’s dive in!
A brief history of Kim uky
Hacker group They go by many names — “Velvet Cho llma,” “Black Banshee,” and “Emerald Snowflake” are a few. Kim suky originated in North Korea and began launching cyber espionage attacks against South Korean research and policy institutions, nuclear power operators, and ministry-level agencies.
While this hacker group may have been active for over a decade, they have recently expanded their horizons to target organizations in Russia, the United States, and Europe.
Kim suky exploits relaxed DMARC policies for phishing attacks in 2024
Your DMARC policy is a required field in your DMARC record , and it determines email marketing is one of the most the action that the client takes on messages that fail DMARC. A DMARC policy can instruct the receiving server to drop
What are the different DMARC policies that can be configured?
As a domain owner, you can choose from three DMARC policies: None, Reject, and Quarantine. As the name suggests, None is a no-action policy, while Reject and Quarantine reject and quarantine unauthorized emails.
To configure the policy, you need to add the p= tag to the DMARC record when you create it.
What is a No Action/Allow DMARC policy?
DMARC none policy is allowed. It is a policy mode that provides no taiwan lead protection against cyberattacks. But does that mean it does nothing? Not really. DMARC none is often used at the beginning of your email verification journey, in the “monitor only” phase. This mode can be used as a control to test your configuration and monitor email traffic. However, we discourage long-term use of this policy as it can make your domain vulnerable to cyberattacks. Your ultimate goal should be to safely move into enforcement mode.