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Lumu Raises $7.5M to Advance Threat Detection

Security Boulevard

Ricardo Villadiego, Lumu CEO, said Lumu collects and standardizes metadata from across the network, including DNS queries, network flows, access logs from perimeter proxies. to Advance Threat Detection appeared first on Security Boulevard. Lumu announced today it has raised an additional $7.5 The post Lumu Raises $7.5M

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Stories from the SOC – DNS recon + exfiltration

CyberSecurity Insiders

Stories from the SOC is a blog series that describes recent real-world security incident investigations conducted and reported by the AT&T SOC analyst team for AT&T Managed Threat Detection and Response customers. The post Stories from the SOC – DNS recon + exfiltration appeared first on Cybersecurity Insiders.

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Why Small and Medium Sized Businesses Need More Than Just an AntiVirus Solution

Security Boulevard

Thankfully, nearly all malware depends on DNS at some point in their kill chain, making the protocol a critical vector for shutting down these threats. Some of the common forms these DNS-based attacks can take include: DNS spoofing: A malicious actor alters DNS records to redirect traffic to a fake website or server.

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Proactive Intelligence: A Paradigm Shift In Cyber Defense

Security Boulevard

The truth is that we can make a paradigm shift in the way we think about detection, protection, and proactiveness with respect to intelligence and resilience. Early Threat Detection Understanding attacker infrastructure is the key to not just reactive but true, proactive threat intelligence.

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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. In this blog I’ll describe two recent privacy advances—DNS over HTTPS (DoH) and QUIC—and what we’re doing to maintain visibility. Keeping your destination private: DNS over HTTPS. Until recently, DNS messages were sent in the clear.

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Who’s Hacking You?

Webroot

DNS (Domain Name System) is especially vulnerable. One of the most common methods of infiltration includes internet-based attacks, such as Denial of Service (DoS), Distributed Denial of Service (DDoS) and DNS poisoning. However, cybercriminals can also use legal DNS traffic surveillance to their advantage.

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E-mail header analysis

CyberSecurity Insiders

SPF: also known as Sender Policy Framework, is a DNS record used for authentication mechanism in email addresses. SPF is a txt record configured in DNS records. For configuring DMARC to DNS records, SPF and DKIM configuration is mandatory. Metadata: Metadata is kind of data which provides information about the other data.

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