Cyren Security Blog

Delve into the world of cybersecurity and cybercrime as Cyren experts explore the latest threats targeting businesses, as well as industry trends and technological advances, and how these pressures, risks, and changes impact business reputation and growth.

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How Phishers Abuse Hypertext Transfer Protocol Secure (HTTPS) Protocol

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Security Research & Analysis

What is the first thing that comes to mind when we see sites using HTTPS protocol? Subconsciously we tend to trust these sites presuming that all that we see and/or enter there is checked, secured, and verified.

Phishing on Adobe Spark

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Security Research & Analysis

Threat actors are always on the lookout for inconspicuous ways to execute malicious attacks. One such tactic that has become common is the use of legitimate services as part of phishing campaigns.

Fake DocuSign Download Page Leads to Hentai Onichan Ransomware

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Security Research & Analysis

We recently received samples that we suspected were “phishy” in nature, but after analyzing the email attachment a severe threat was exposed.

Phishing campaign masquerading Excel template in the html attachment

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Security Research & Analysis

Phishing remains one of the most popular types of corporate attacks in terms of its prevalence, and therefore it is not surprising that attackers are coming up with increasingly sophisticated methods to obtain the victim's personal data.

Loose SPF, DKIM, DMARC, and ARC Settings Sabotage Security

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Security Research & Analysis

It’s safe to say that all of our Cyren Inbox Security customers use the native Office 365 security capabilities of Exchange Online Protection and Advanced Threat Protection (now collectively called Microsoft Defender for Office 365).

“Are you satisfied?” Cyren sees increasing use of forms in account takeover attacks

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Security Research & Analysis

Every internet user participates in surveys every day: “Do you like our service?” “Are you satisfied with the order?” “Please, fill the form below to make us better for you!”