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WatchGuard Avoids HTTPS Deep Inspection Security Issues

March 16, 2017 By Jonas Spieckermann

Today, many modern security products offer the important capability to see within secure web traffic, otherwise known as HTTPS or SSL/TLS. Though HTTPS is intended to secure your online purchases or banking transactions, attackers increasingly use HTTPS to hide their malware command and control (C&C) channels and other nefarious activity. Products like WatchGuard’s Firebox … [Read more...]

Data from LinkedIn breach used in targeted e-mail attack

June 7, 2016 By Jonas Spieckermann

Recently Corey Nachreiner discussed the LinkedIn breach in a Daily Security Byte. CERT-Bund, the federal computer emergency response team of Germany, now published a warning about targeted e-mails with attached malicious Word documents (faked invoice including Trojan code). The e-mails are personalized using real name and position of a recipient and exactly match information on … [Read more...]

Short-Lived Crypto-Ransomware

March 18, 2016 By Jonas Spieckermann

Last week, researchers found a new crypto-ransomware variant that gave its encrypted files a .locked extension, which seems similar to the Locky ransomware. For a short time, this caused some to assume that this was a new Locky variant, and for reasons I'll get to later, it gave them hope that we might be able to decrypt Locky files. Since I recently shared my own experiences … [Read more...]

Locky – New Crypto Ransomware in the Wild

February 22, 2016 By Jonas Spieckermann

Last week,  a new ransomware variant called Locky began spreading in the wild. Locky encrypts data on an infected system using AES encryption, and then leaves a blackmail letter (which is localized in several languages) asking for half a bitcoin to get your data back. More disturbingly, it also searches for any network share (not just mapped shares), and encrypts data on those … [Read more...]

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