Networks

How to Monitor IP Netblocks for Possible Targeted Attacks

A couple of weeks back, a security researcher alerted his LinkedIn contacts about possibly ongoing targeted attacks stemming from the Iranian subnet 194[.]147[.]140[.]x. He advised cybersecurity specialists to watch out for subnets that may be threatful and consider blocking them. This post encouraged us to look into the subnets and details our findings using IP Netblocks WHOIS Database. more

Not All VPN Users Are Worth Trusting, a Lesson for Cloud Service Providers

Virtual private networks (VPNs) are widespread; about a third of the Internet population uses them worldwide. Their primary reason? VPN usage touts more secure browsing. more

Everything You Need to Know About IPv4 vs. IPv6

The "IP" in IPv4 and IPv6 stands for Internet Protocol, which is a set of rules that determine how devices transmit data packets across the Internet. Internet Protocol also assigns a unique address to each device on the web. These addresses ensure data packets are routed to the correct device. more

The Louisiana State Ransomware Attack: Enhancing Cyberdefense with Reverse IP Address Lookup

An attempted ransomware attack on some Louisiana state servers caused the state's cybersecurity team to shut down their IT systems and websites. Governor John Bel Edwards, however, emphasized that not all of the state's servers were affected. more

The Disney+ Account Hijacking: Preventing Unauthorized Network Access with Threat Intelligence Tools

What was supposed to be an exciting week after the launch of Disney+, a subscription-based video-on-demand (VOD) streaming service of Walt Disney Company, turned into a nightmare for thousands of users. more

InterMed Breach: How Threat Intelligence Sources Help Maintain Domain Integrity

Major healthcare providers suffer a lot from breaches, both from a legal and financial standpoint. Aside from patient lawsuits, they also face severe penalties imposed by the Health Insurance Portability and Accountability Act of 1996 (HIPAA). more

Alleviating the Constant Clash Between DevSecOps and DevOps Teams

One of the main struggles of organizations is streamlining processes through cost-effective means. This problem is adequately addressed by DevOps, a set of processes that aims to unify development and operations. more

Moving from the Castle-and-Moat to the Zero-Trust Model

The traditional notion of the security perimeter is growing increasingly problematic in the wake of highly publicized attacks. The perimeter is becoming nonexistent, as cloud-based infrastructures replace legacy systems. more

NS1 Raises $33M for Its Application Traffic Management Solutions

The round was led by Dell Technologies Capital, with participation from Cisco Investments and existing investors Deutsche Telekom Capital Partners, Entrée Capital, Flybridge Capital Partners, GGV Capital, Mango Capital, Salesforce Ventures, Sigma Prime Ventures, Telstra Ventures, and Two Sigma Ventures. more

How Threat Intelligence Can Solve 3 Common SIEM Problems

Security information and event management (SIEM) solutions are an excellent way to get incident data from an organization's network and put them all in one place. But as a network's complexity grows, so do the problems these SIEM vendors face with regard to providing the right products to clients. more