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BLOGS & STORIES
TRUSTWAVE BLOG
The Trustwave Blog empowers information security professionals to achieve new
heights through expert insight that addresses hot topics, trends and challenges
and defines best practices.
NEWS
TRUSTWAVE MAILMARSHAL’S BLENDED THREAT MODULE OFFERS MAXIMUM PROTECTION AGAINST
PHISHING
access_timeJune 22, 2023
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Trustwave MailMarshal is a highly dependable and adaptable email security
solution that has established itself as a leader in the industry, earning
recognition over many years. With the inclusion of Trustwave MailMarshal's
Blended Threat Module (BTM), it now offers enhanced protection against phishing
attacks, utilizing the power of machine learning for security measures.
A Blended Threat refers to a method of compromising information security that
employs multiple tactics. In the context of email, attackers skillfully craft
Blended Threat messages to appear as if they originate from a trusted source.
These emails often contain links that lead to websites hosting malicious code or
attempting to manipulate users into revealing personal information. Sometimes
threat actors specifically target Blended Threat emails at individuals or a
specific group.
The BTM of Trustwave MailMarshal employs various validation techniques,
including real-time behavioral analysis, content inspection, and insights from
reputable industry sources. These methods allow the BTM to identify and block
websites that distribute suspicious or malicious code. Since the validation
process occurs in real-time through a cloud service when an email recipient
clicks a link, it ensures superior effectiveness in detecting and neutralizing
new exploits for all users, regardless of their device or location.
HERE'S HOW THE BTM FUNCTIONS
For background, the Blended Threat Module within MailMarshal scans incoming
emails and modifies links before delivering them to the recipient. The Trustwave
Link Validator cloud service is activated when a user clicks on a link.
The Link Validator submits the link to one or more validation services, which
include reputable link reputation services that check if the link is associated
with phishing or other malicious activities. Additionally, Trustwave's Smart
Link Classifier, based on continuously trained machine learning technology,
performs real-time content checks on the linked pages to identify phishing and
other threats. Real-time scanning is crucial in detecting new threats before
they are added to reputation lists.
Based on the validation results, the Link Validator either allows the request to
proceed to the original site or blocks it if deemed unsafe.
NEW AND IMPROVED BTM
In March 2023, Trustwave's MailMarshal underwent a significant update,
introducing PageML as part of the Blended Threat Module. With this addition, the
email security solution gained the capability to perform thorough and real-time
scans when a URL within an email is clicked, allowing it to determine whether
the URL is malicious.
PageML, short for Page Machine Learning, leverages machine learning techniques
to analyze page content in real-time, enhancing the BTM's ability to identify
malicious URLs by a third.
PageML serves as a real-time scanning module that examines HTML content,
extracts relevant features, and applies a machine learning-based classifier to
assess whether the page exhibits characteristics of phishing or other suspicious
content. The deployment of PageML to all MailMarshal clients took place in early
March.
Developed by Trustwave and managed by SpiderLabs, PageML operates as a URL
classifier and actively functions within the Trustwave section of VirusTotal. It
analyzes millions of URLs daily. Testing has demonstrated that PageML
successfully detects a significant number of active phishing pages that other
validators might miss. Its inclusion in the arsenal against phishing is,
therefore highly valuable.
THE BENEFITS OF TRUSTWAVE MAILMARSHAL
* Protects against ransomware attacks, Business Email Compromise (BEC),
phishing scams, malware, and Zero-Days
* Zero clients reported ransomware infection in 20+ years
* 99% malware and exploit capture rate
* < 0.001% spam false positives
* Layered threat intelligence, powered by telemetry from 5,000+ global MSS/ MDR
clients and ML-powered algorithms
* Granular control of internal SMTP traffic
* Decades of leadership in email security supported by Trustwave SpiderLabs
elite threat detection security team
* Deploy on prem or hybrid cloud
* Complements Microsoft 365 and other cloud email.
TOP EMAIL SECURITY BEST PRACTICES
To safeguard against cybercriminals, organizations must prioritize email
security and establish a comprehensive defense strategy to protect this
vulnerable attack vector. Here are some essential measures to implement:
* Deploy a robust email security solution: It is crucial for organizations to
have a powerful email security solution in place. This solution should offer
advanced protection mechanisms to detect and mitigate various email-based
threats.
* Enable Multi-Factor Authentication (MFA)/Two-Factor Authentication (2FA):
Organizations should enforce MFA/2FA on all accounts wherever possible. This
additional layer of security helps invalidate credential-based attacks.
Microsoft research has shown that a staggering 99% of compromised Microsoft
accounts did not have MFA enabled.
* Conduct regular security training: Providing annual security training
refreshers for all employees is essential. This training should cover topics
such as phishing awareness and overall security practices. By educating
employees about the types of attacks they may encounter, organizations
empower them with the knowledge to recognize and respond to threats. Security
teams should remind staff members request a second form of verification and
validation before making any changes to bank details or initiating payments
over email.
* Implement a Secure Email Gateway (SEG): Organizations should adopt a Secure
Email Gateway tailored to their specific needs. This gateway should be
optimized to detect and block email threats effectively. Additionally,
organizations must establish clear policies on how different file types sent
via email will be handled to mitigate risks associated with malicious
attachments.
By incorporating these measures into their email security strategy,
organizations can significantly enhance their defenses and reduce the risk of
falling victim to email-based attacks.
RELATED TRUSTWAVE BLOGS
MAILMARSHAL UPGRADE BOOSTS ‘HARD TO DETECT’ PHISHING BY 40%
News
MAILMARSHAL: DELIVERING CLOUD BASED AND ON-PREMISE SECURITY PEACE OF MIND
AGAINST ADVANCED EMAIL THREATS
News
TRUSTWAVE DBPROTECT AND MAILMARSHAL NAMED FINALISTS FOR SC MEDIA AND SC EUROPE
AWARDS
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