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Have you ever noticed that while playing a multiplayer online game, one player's internet connection is very slow? Let's say there are ongoing issues with lag or shutdowns. This is something everyone has likely experienced. If you've experienced slow internet during a game, you may have noticed that a high ping corresponds to a slow internet connection, while a low ping indicates a faster connection. Ping spoofing is different, and the prevention measures are also different. Therefore, we would like to introduce an article that is perfect for those who want to know what ping spoofing is. Please take a moment to read it. *You can view the detailed content of the blog through the related links. For more information, feel free to contact us.*

Caller ID spoofing is when a caller uses technology to make their phone number appear as someone else's, such as another person or a company. The caller may do this for various reasons, such as hiding their identity, avoiding unwanted calls, or making it look like the call is coming from a more trustworthy source. This article answers various questions, including what caller ID spoofing is. Please take a moment to read it. [Contents (excerpt)] ■ What is caller ID spoofing? ■ Examples of caller ID spoofing: actual attacks and incidents ■ How is caller ID spoofing carried out? ■ How is caller ID spoofing dangerous? ■ Spoofed calls: what to look out for? *For more details, you can view the related links. Please feel free to contact us for more information.

Have you ever wondered what a DKIM Analyzer is? DKIM stands for DomainKeys Identified Mail, which is a method of verifying the sender of an email. This is commonly used by companies to protect their brand from spammers attempting to impersonate them by sending fake emails that appear to be from the company. [Contents] ■ What is a DKIM Analyzer? ■ How to analyze DKIM results? ■ Let's start analyzing DKIM right now! *You can view more details about the blog through the related links. For more information, please feel free to contact us.

The message "550 SPF Check Failed" is a common error prompt that may occur when the sender's DNS lacks an SPF record, has an invalid record, or is triggered by third-party spam filters. An important point regarding this type of error is that it is usually the sender's responsibility, not the recipient's, and it can be resolved with a few simple steps. 【Contents】 ■ About SPF ■ What is the "550 SPF Check Failed" error? ■ Possible causes of the "550 SPF Check Failed" error ■ Troubleshooting the 550 SPF Check Failed Error *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.*

What is IP spoofing? In simple terms, it is when a user or program attempts to send packets using an IP address that they are not authorized to use. It is also called IP address spoofing, and its purpose is to masquerade as a legitimate source IP. This is the official definition, and there are many factors that can effectively cause IP address spoofing. [Contents (excerpt)] ■ What is IP spoofing? ■ Why do hackers perform IP address spoofing? ■ Types of IP spoofing ■ How to detect IP spoofing ■ How to protect yourself from IP spoofing? *For more details, you can view the related links. Please feel free to contact us for more information.

The SPF "Include" mechanism is a way to keep the criteria and conditions that specific servers must meet in order to improve email deliverability within the SPF record. If you accidentally fail to add a third-party vendor's Include statement to the SPF record, it could cause issues such as emails not reaching recipients, leading to a significant increase in the overall bounce rate. This article explains what the SPF record's "Include" mechanism is and how to optimize the SPF Include statement to meet your needs. We encourage you to read on. [Contents (excerpt)] ■ What is SPF Include? ■ Multiple SPF records are not allowed, but why? ■ How to include multiple domains, hosts, and IP addresses in SPF ■ Understanding the semantics of SPF records *You can view the detailed content of the blog through the related links. Please feel free to contact us for more information.

In recent times, as companies have started to use email on a daily basis, the importance of email security tools has been increasing. General employees receive numerous spam emails daily from both inside and outside the company, making email an efficient medium for causing information leaks. Due to the lack of time to deal with the vast number of emails, employees can fall prey to a false sense of security. Cybercriminals take advantage of this to carry out phishing attacks that have increased in frequency and potency through cloud-based email. [Contents] ■ Common email security threats ■ Comprehensive list of email security tools for businesses ■ Summary *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.*

Email threats are evolving beyond the delivery of malicious links and attachments. As a result, companies are beginning to apply a zero-trust security model to email. Nowadays, attackers may impersonate the sender to deceive the recipient and launch social engineering attacks. Most of these attacks do not involve sending malware, and since these emails do not contain identifiable dangerous elements, even advanced email security gateways and defenses can be easily bypassed. *For more details, you can view the related links. Please feel free to contact us for more information.*