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Hive Ransomware Now Encrypts Linux and FreeBSD Operating Systems

Heimadal Security

The double-extortion ransomware group dubbed Hive also encrypts Linux and FreeBSD with new malware versions designed specifically for these operating systems. The post Hive Ransomware Now Encrypts Linux and FreeBSD Operating Systems appeared first on Heimdal Security Blog. During ESET’s investigation, the Linux […].

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Protecting against Log4j with Secure Firewall & Secure IPS

Cisco Security

This blog details quick ways Secure Firewall Threat Defense (FTD) and Secure IPS users can protect against attacks leveraging this vulnerability while patching their infrastructure. Depending on your Firewall Management Center (FMC) configuration you can send a SNMP trap, Email or Syslog message when a Correlation Rule triggers.

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Researchers Quietly Cracked Zeppelin Ransomware Keys

Krebs on Security

He’d been on the job less than six months, and because of the way his predecessor architected things, the company’s data backups also were encrypted by Zeppelin. “We’ve found someone who can crack the encryption.” Then came the unlikely call from an FBI agent. “Don’t pay,” the agent said.

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Building a secure and scalable multi-cloud environment with Cisco Secure Firewall Threat Defense on Alkira Cloud

Cisco Security

Cisco Secure Firewall Threat Defense Virtual provides unmatched security controls such as stateful firewalling, Snort3 IPS, URL filtering, malware defense, application visibility and control, and more. Customers can seamlessly deploy and insert Secure Firewall in their Alkira Cloud Exchange Points (CXP).

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Rorschach ransomware has the fastest file-encrypting routine to date

Security Affairs

A new ransomware strain named Rorschach ransomware supports the fastest file-encrypting routine observed to date. The researchers conducted five separate encryption speed tests in a controlled environment (with 6 CPUs, 8192MB RAM, SSD, and 220000 files to be encrypted), limited to local drive encryption only.

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Future Focused: Encryption and Visibility Can Co-Exist

Cisco Security

In fact, 63% of threats detected by Cisco Stealthwatch in 2019 were in encrypted traffic. The European Union is concerned enough that it drafted a resolution in November 2020 to ban end-to-end encryption, prompting outcry from privacy advocates. I’ve linked to couple of excellent short articles on this topic at the end of this blog.

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GUEST ESSAY: A primer on content management systems (CMS) — and how to secure them

The Last Watchdog

Wikipedia uses a CMS for textual entries, blog posts, images, photographs, videos, charts, graphics, and “ talk pages ” that help its many contributors collaborate. Make sure the CMS platform uses a robust web application firewall (WAF), conducts continuous automated and manual security tests and uses state of the art encryption technology.