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Email Security

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Staying one step ahead of cybercriminals is absolutely vital in today’s threat landscape. That's why we're thrilled to introduce PhishER Plus, a revolutionary product from KnowBe4 that takes your anti-phishing defense to a whole new level. Phishing attacks remain the top cyberthreat out there. It's tough to keep up with the ever-evolving techniques of bad actors.

Phishing Attacks Continue to Use Attachments as HTML Files Containing Java Dominate

As traditional phishing attack attachment types like Office documents dwindle in use, threat actors look for new effective ways to use email as a delivery medium to launch an attack. We’ve seen email attachments being used in cyberattacks for decades now, so it shouldn’t come as a surprise to anyone working in an office that a strange attachment type may be malicious. And yet, this trend continues, despite threat actors changing which types of attachments to use.

Vendor Email Compromise Attacks Use the Same Playbook for Multiple Attacks

Seeking very large paydays, Vendor Email Compromise (VEC) threat actors are finding out what works and repurposing their content and processes to increase chances of seeing a massive payout. VEC is a form of Business Email Compromise (BEC) where an email account isn’t just impersonated (e.g., using someone’s name, a lookalike domain, etc.) but actually compromising credentials and taking over an account of someone within an organization.

Understanding DMARC: A Comprehensive Guide to Email Security

In this comprehensive guide, we will delve into the world of DMARC (Domain-based Message Authentication, Reporting, and Conformance) and explore how it enhances email security, protects against phishing attacks, and ensures the authenticity of emails. As a leading expert in cybersecurity, we will provide you with valuable insights and detailed information on how DMARC works, its benefits, implementation steps, and best practices.

Advanced Phishing Campaign Exploits 3rd Parties

Researchers at BlueVoyant warn that attackers are increasingly adding an extra step to their phishing campaigns, impersonating third-parties to lend credibility to the scams. “Third-party phishing sites…will include some characteristics of the original flow, with an added step – the initial impersonation that establishes credibility to the end user is a service that is not connected to the targeted organization,” the researchers write.

5 ways to prevent phishing from ruining your summer vacation

During the summer months, when employees and customers are away on vacation, things usually slow down for businesses. But for cybercriminals, the opposite is true because they are busy taking advantage of minimal staffing levels in companies during the vacation period to launch complex attacks. The U.S. Federal Cybersecurity and Infrastructure Security Agency (CISA), warns that the risk of being hit by a cyberattacks rises over the holidays and summer vacation-themed phishing attacks gain momentum.

A Long-Running Credential Phishing Expedition

Researchers at Akamai describe a credential phishing campaign that’s been running since at least March 2022. Due to the volume of traffic to the phishing sites, the researchers estimate that the attackers are raking in up to $150,000 per year by selling the stolen credentials. “This ongoing research led to the discovery of multiple templated sites used as front-ends for the scam infrastructure that have been tied to more than 40,000 malicious routing domains,” the researchers write.

CISA Discovers Spear Phishing and Valid Account Compromise Are the Most Common Attack Vectors

The US Cybersecurity and Infrastructure Security Agency (CISA) has found that compromise of valid accounts and spear phishing attacks were the two most common vectors of initial access in 2022, Decipher reports. Valid accounts were compromised in 54% of successful attacks. “Valid accounts can be former employee accounts that have not been removed from the active directory or default administrator accounts,” CISA said.

Amazon Sends Email to Customers on Common Scam Tactics

We've reported on several Amazon scams, but for once, there is positive news. Amazon sent an email Thursday morning highlighting the top scams your users should watch out for: Prime Membership Scams Per Amazon, "These are unexpected calls/texts/emails that refer to a costly membership fee or an issue with your membership and ask you to confirm or cancel the charge.

Cybercriminals don't take holidays: How bad actors use this two-step phishing campaign to weaponize out-of-office replies

The Egress Threat Intelligence team has detected an 83.6% increase in scouting phishing emails between May 1st – June 30, 2023, compared with March 1st – April 30th, 2023. These emails aim to identify organizations’ and individuals’ personal time off (PTO) patterns or other absences from work through the automatic out-of-office responses they receive. The scouting attacks were sent from multiple spoofed email addresses from servers located in Russia and Japan.