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Retarus Press Release

Retarus Email Security beefs up its Advanced Threat Protection

Enterprises benefit from new, AI-enhanced sandboxing and additional spam and phishing safeguards

Singapore, 26/4/2024 // Retarus has boosted its protection for all Email Security customers using Retarus Advanced Threat Protection. A new AI-supported sandboxing solution now ensures even more effective detection of cunning zero-day exploits. An additional AntiSpam engine, moreover, will also provide companies with even better protection against phishing scams by filtering out suspect image files, such as QR codes, from emails – as well as identifying links which may pose a risk.

With the sandboxing function, potentially malicious attachments are executed in a virtual, isolated environment and examined for irregular behavior. The innovative sandboxing technology employed by Retarus Email Security uses cutting-edge machine learning, neural networks and behavioral analytics to detect complex zero-day threats and novel malware variants even more reliably. Attachments subjected to sandboxing may include Office, HTML, and compressed files. In addition, our customers continue to benefit from the knowledge gathered by a global, external threat intelligence network, without sharing any of their own data with third parties.

When malware is detected, indicators of compromise (IOCs) and comprehensive reporting provide customers with detailed forensic information about the attack vector and the methods employed by the cybercriminals. As with all of Retarus’ Email Security services, the processing of data during sandboxing is always carried out in full compliance with the GDPR in ISO 27001 and SOC 2 Type II certified data centers located in Europe. All data is transmitted in encrypted form and deleted immediately once the file has been examined in the sandbox environment.

A highly targeted approach to safeguarding against spam and phishing attacks

On top of this, Retarus will also augment the detection mechanisms used to identify spam and phishing by offering all Advanced Threat Protection customers an additional anti-spam engine based on numerous filters and algorithms which are continuously updated by way of cloud databases. The new Retarus AntiSpam Management option will work independently of the language and detect dangerous links even if they are hidden in QR codes. In addition, logos and other image files will be checked, so that phishing attempts can be identified early on. Text recognition within attached files such as PDF documents or HTML forms will also be improved once again, as has the analysis of ZIP files.

Based on machine learning models and special heuristics, the new anti-spam engine will have an improved ability to detect masked senders – no matter whether they are concealed in the header or body of the email. With all filtering mechanisms, only selected properties are extracted and hashed. The actual content of the email remains untouched. This ensures that strict data protection regulations and compliance guidelines are always met without fail.

Advanced protection for complex security requirements

With its cloud-based Secure Email Platform, Retarus is offering a best-in-class solution which covers all enterprise email requirements from just one provider. Due to its modular design, the Email Security services can be adapted and customized flexibly to meet the security needs of any company and protect their email communication against attacks – even in complex and hybrid environments. Intelligent, multi-level defense mechanisms and patented protection components facilitate preventive protection, especially from advanced threats such as ransomware, spear phishing, and business email compromise (BEC), as well as enabling the early detection of previously unfamiliar threats and accelerating security response procedures.

About Retarus

Retarus is a global provider of cloud solutions, modernizing and securing the digital communications and data exchange of organizations and public authorities. Key products are digital Cloud Fax, SMS, Transactional Email, Email Security, Supply Chain Integration, and Intelligent Document Processing. Retarus operates globally distributed data centers, providing these solutions with top performance, security, and data protection. Headquartered in Munich and founded in 1992, Retarus is privately owned and proud of its innovative strength. The company employs around 500 people in 20 locations on four continents. Nearly half of the companies listed in the S&P Global 100 already place their trust in Retarus and, along with leading analysts, confirm the outstanding quality and reliability of its services. Retarus generates around 40 percent of its revenue in the US and offers its products both directly and in close cooperation with selected partners. More information:

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