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knowbe4

From Inbox to Encryption: How Ransomware Delivery Has Evolved

Jul 23, 2026 By KnowBe4 Threat Lab In KnowBe4
Ransomware and phishing have always been linked, but the old model was blunt: a phishing email carried the payload, the recipient opened it, encryption followed within hours. What the threat looks like in 2026 is fundamentally different. The email that starts the chain carries nothing dangerous. Instead, the ransomware arrives weeks later, launched by a completely different attacker. So, what can organizations do to protect themselves from these new threats?
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How to Convert OST To PST When The Outlook Profile Is Deleted

How to Convert OST To PST When The Outlook Profile Is Deleted

Jul 22, 2026 By SecuritySenses In SecuritySenses
Outlook profiles are extremely important part of Outlook. It not only contains the account configuration but also mailbox settings. Also, it includes the data file associations required for mailbox content access. Now the question arises what if something went wrong with this Outlook profile? What if the profile is deleted? In such a scenario, Outlook loses its connection to the associated OST file. It means OST file can become orphaned. In such a case, users are unable to access the mailbox folders. What's next? The solution is to convert this encrypted OST to any portable data file format like PST.
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bluevoyant

From E-Sign to RMM: DocuSign Kit Targets Windows and macOS

Jul 20, 2026 By Thomas Elkins and Joshua Green In BlueVoyant
BlueVoyant SOC (Security Operations Center) and Threat Fusion Cell (TFC) teams are tracking a long-running phishing and remote access campaign that uses DocuSign/e-sign themed lures and a reusable web kit to drive victims into installing legitimate remote access tooling.
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knowbe4

Trust, Verify, Protect: Modernizing Email Security for the Cloud

Jul 16, 2026 By Dr. Kawin Boonyapredee In KnowBe4
Picture this: Your company just fell victim to a massive data breach. The culprit wasn't a sophisticated malware strain, a zero-day exploit, or a compromised firewall. It was a perfectly legitimate-looking login from a VP’s account, originating from an unrecognized IP address, requesting an urgent wire transfer via a spotless, text-only email. In the modern threat landscape, attackers have realized something crucial: Why break in when you can just log in?
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sophos

Sophos named a 2026 Gartner Peer Insights Customers' Choice for Email Security

Jul 10, 2026 By Justin Han In Sophos
Sophos named a 2026 Gartner Peer Insights Customers’ Choice for Email Security Sophos’ first ever recognition as a Customers’ Choice for Email Security. Sophos has been named a 2026 Gartner Peer Insights Customers’ Choice in the 2026 Gartner Peer Insights Voice of the Customer for Email Security. This marks Sophos’ entry into the report, as well as Sophos’ first ever Customers’ Choice distinction for Email Security.
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knowbe4

Threat Actor Uses Phishing to Breach Orgs for Ransomware Gangs

Jul 10, 2026 By KnowBe4 Team In KnowBe4
An initial access broker associated with the Payouts King ransomware group is using Microsoft Teams phishing to deploy a malicious Microsoft Edge web browser extension, according to researchers at Zscaler. Once the hackers have a foothold within an organization, they sell the access to the ransomware gang to conduct follow-on attacks.
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knowbe4

Your Email is Protected. Is Your Teams Chat?

Jul 8, 2026 By Haylea Reiner, MBA In KnowBe4
For years, security teams have poured resources into locking down the inbox, and for good reason. Email has always been the front door for phishing and social engineering. Unfortunately, another door has been left wide open: Microsoft Teams. Threat actors are increasingly posing as IT helpdesk staff inside Microsoft Teams chats, exploiting the built-in trust employees place in their internal collaboration tools to steal credentials and take over accounts.
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