Cisco Security

MARCH 16, 2021

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. Keeping your destination private: DNS over HTTPS.

Encryption 96

Encryption DNS Threat Detection Internet 96

Malwarebytes

DECEMBER 1, 2023

Put simply, domain fronting hides your traffic when connecting to a specific website. It routes traffic through a larger platform, masking the true destination in the process. This way, the developer could expand their backend to deal with growing traffic and new features without constantly having to release app updates.

DNS 104

DNS Internet Internet Encryption 104

Webroot

JUNE 21, 2021

It may be as simple as the deployment of antivirus plus backup and recovery applications for your end users, or a more complex approach with security operations center (SOC) tools or managed response solutions coupled with network security tools such as DNS and Web filtering, network and endpoint firewalls, VPNs, backup and recovery and others.

Backups 131

Backups DNS Ransomware Antivirus 131

SiteLock

AUGUST 27, 2021

Cybercriminals are constantly crawling the web for targets, and they’ll often go after websites you might not expect, such as a vegan cooking blog. So what does a hacker look for in a website? What can Abby do to protect her website? Joe’s Vegan Blog Cooks Up Comment Spam. What can Joe do to protect his blog?

Hacking 98

Hacking DDOS eCommerce Firewall 98

McAfee

SEPTEMBER 14, 2021

McAfee customers are protected from the malware/tools described in this blog. A more detailed blog with specific recommendations on using the McAfee portfolio and integrated partner solutions to defend against this attack can be found here. MVISION Insights customers will have the full details, IOCs and TTPs shared via their dashboard.

Malware 144

Malware DNS Accountability Manufacturing 144

Security Affairs

MARCH 4, 2019

” reads a blog post published by the firm. What’s particularly interesting is Necurs’ regular cadence of going dark to avoid detection, reemerging to send new commands to infected hosts and then going dark again. ” continues the blog post. ” continues the blog post.

DNS 106

DNS Banking Advertising Ransomware 106

eSecurity Planet

MARCH 14, 2022

Once activated, the Beacon allows for uploading files and sending command-and-control instructions stealthily, which is precisely what advanced threat actors want. The Cobalt Strike’s Command and Control protocol is a DNS-based communication that is pretty hard to detect compared to classic HTTP traffic.

Energy and Utilities 131

Energy and Utilities DNS Penetration Testing Ransomware 131

NetSpi Technical

OCTOBER 19, 2023

It’s worth noting that this is a Preview release of this functionality, and is likely going to differ from what’s eventually fully released. What about if we bypass those proxy settings? Let’s try DNS. To quickly test if we have DNS outbound, we can use Burp Suite Collaborator. We can then use the results in our workbook.

DNS 97

DNS Internet Internet Phishing 97

Fox IT

AUGUST 11, 2022

This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. In May 2022, security firm Malwarebytes published a two 1 -part 2 blog about a malware sample that utilizes DNS as its sole channel for C2 communication. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

Malwarebytes

JUNE 15, 2022

And this is what sets Symbiote apart from other Linux malware. Symbiote’s evasion techniques (Source: Blackberry Threat Vector Blog ). It does this to hide malicious traffic on an infected Linux machine. The credentials are first encrypted with RC4 using an embedded key, and then written to a file.

Malware 80

Malware DNS Banking Encryption 80

Cisco Security

MAY 17, 2021

This is what SASE (Secure Access Service Edge) is all about, and here at Cisco, we’ve spent the last few years perfecting the architecture and approach to help our customers address their new and evolving needs. It’s an exciting time in the world of networking and security. Now, she can work from home. How do you even design for this?

Firewall 82

Firewall Architecture Internet Internet 82

Security Boulevard

JANUARY 17, 2024

This blog post describes methods that SpecterOps consultants have researched to successfully circumvent this technology during offensive assessments. What is RBI and Why Use It? Different vendors stream the content to the user differently, but it is sufficient to say they all do the same thing: sanitize and render client web traffic.

DNS 62

DNS Penetration Testing Passwords Encryption 62

Cisco Security

AUGUST 28, 2023

XDR (eXtended Detection and Response) Integrations At Black Hat USA 2023, Cisco Secure was the official Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider. For example, an IP tried AndroxGh0st Scanning Traffic against the Registration server, blocked by Palo Alto Networks firewall.

Wireless 91

Wireless DNS Technology Mobile 91

Vipre

JANUARY 27, 2021

Most of you have probably heard about encrypted DNS (DNS-over-HTTPS or DoH, and DNS-over-TLS or DoT) and have noticed that several of the major browser vendors have rolled out support for these newer protocols. But what about at the office? Maybe you don’t even run your own DNS server, so why would you care?

DNS 45

DNS Encryption 45

Security Boulevard

JUNE 14, 2023

What can we learn about threat attacker infrastructure in today’s multifaceted threat landscape? What are the best ways to protect our valuable networks, servers and devices? You can be 99% secure and then have that 1% be what takes the company down. This is what sets us apart and powers our cyber security solutions.

DNS 100

DNS Malware Financial Services Architecture 100

Cisco Security

AUGUST 26, 2022

With the Cisco Security Connector for iOS integration, FAMOC MDM extends its enterprise mobility management with an extra layer of network security and traffic analysis tool, giving IT admins tools to make actionable decisions and design access control policies. This new integration supports Umbrella proxy, cloud firewall, IP, and DNS logs.

Firewall 144

Firewall Authentication Threat Detection Passwords 144

Security Boulevard

MARCH 14, 2025

LLMs can help attackers avoid signature based detection Traditionally, C2 traffic might be disguised as normal web traffic, DNS queries, or go through known platforms like Slack or Telegram. To a defender, traffic to api.openai.com doesnt raise an eyebrow, whereas traffic to an unknown IP would.

Malware 62

Malware Encryption Engineering DNS 62

Security Boulevard

MARCH 3, 2023

Webinar: Emulating Threat Actors in OT Networks - DNS Tunneling Mar 23 @ 10:00 AM (PST) While it is possible to write signatures for malware of this type after analysis is completed, it takes time — time during which the malware is able to evade even the most advanced EDRs while it goes about its business. Next-gen protective DNS.

Phishing 57

Phishing DNS Malware Antivirus 57

McAfee

DECEMBER 22, 2021

In this blog, we present an overview of how you can mitigate the risk of this vulnerability exploitation with McAfee Enterprise solutions. What the vulnerability allows a threat actor to do is initially only connect to a remote endpoint and establish a beachhead. Threat Summary. Attack Chain and Defensive Architecture.

Malware 98

Malware Risk DNS Internet 98

Cisco Security

DECEMBER 22, 2022

In this blog about the design, deployment and automation of the Black Hat network, we have the following sections: Designing the Black Hat Network, by Evan Basta. AP Placement Planning, by Sandro Fasser. Wi-Fi Air Marshal, by Jérémy Couture, Head of SOC, Paris 2024 Olympic Games. Meraki Dashboards, by Rossi Rosario Burgos.

Engineering 94

Engineering Malware Mobile DNS 94

McAfee

SEPTEMBER 29, 2021

Some surveyed respondents admit to ignoring specific categories of alerts, and some turn off the security alerts associated with the security controls that generate much of the alert traffic. One of the important goals of SecOps is a faster and more effective collaboration among all personnel involved with security.

DNS 67

DNS Manufacturing Data breaches Risk 67

Kali Linux

FEBRUARY 13, 2022

It’s a large one, so it’s going to have its own blog post once ready to help demonstrate its importance to us. It’s a large one, so it’s going to have its own blog post once ready to help demonstrate its importance to us. The summary of the changelog since the 2021.4 The summary of the changelog since the 2021.4

DNS 52

DNS Architecture Encryption Media 52

Fox IT

JANUARY 12, 2021

Our threat intelligence analysts noticed clear overlap between the various cases in infrastructure and capabilities, and as a result we assess with moderate confidence that one group was carrying out the intrusions across multiple victims operating in Chinese interests. In open source this actor is referred to as Chimera by CyCraft.

Accountability 68

Accountability VPN Passwords DNS 68

Fox IT

NOVEMBER 1, 2023

The next part of this blog is divided into two parts: firstly, we look back at previous Blister payloads and configurations, and in the second part, we discuss the recent developments. After writing an extractor for these older versions, we made an overview of what Blister had been dropping in roughly the past two years.

Computers and Electronics 92

Computers and Electronics Encryption DNS Ransomware 92

Kali Linux

NOVEMBER 27, 2022

In Secure Kali Pi (2022) , the first blog post in the Raspberry Pi series, we set up a Raspberry Pi 4 with full disk encryption. Interface Name First, we need to know what our wireless interface is called. We mentioned that we can leave it somewhere as a drop box.

Firmware 52

Firmware Wireless Passwords VPN 52

LRQA Nettitude Labs

APRIL 16, 2024

Hence, we * use a totally different scheme instead. * * What we do is to take a SHA-512 (_big_) hash of the private * key x, and then feed this into another SHA-512 hash that * also includes the message hash being signed. PuTTY, a popular Windows SSH client, contains a flaw in its P-521 ECDSA implementation.

Authentication 59

Authentication DNS Software Encryption 59

Security Boulevard

APRIL 13, 2022

To prevent the attack techniques noted in this blog post, disable the “Allow connection fallback to NTLM” client push installation setting, which is enabled by default in SCCM. SharpSCCM is a tool that can be used to demonstrate that this attack is possible against the current version of Microsoft Endpoint Configuration Manager (ConfigMgr).

Authentication 52

Authentication Accountability Penetration Testing Software 52

Troy Hunt

JULY 12, 2018

The rapid adoption has been driven by a combination of ever more visible browser warnings (it was Chrome and Firefox's changes which prompted the aforementioned tipping point post), more easily accessible certificates via both Let's Encrypt and Cloudflare and a growing awareness of the risks that unencrypted traffic presents.

DNS 279

DNS Wireless Risk Banking 279

Malwarebytes

OCTOBER 5, 2021

What we can say for sure, is that Facebook took itself and its stablemates out with a spectacular self-inflicted wound, in the form of a toxic Border Gateway Protocol (BGP) update. To route data across the Internet, Autonomous Systems need to know which IP addresses other Autonomous Systems either control or can route traffic to.

DNS 143

DNS Internet Internet Mobile 143

Cisco Security

AUGUST 29, 2022

In part one of our Black Hat USA 2022 NOC blog, we discussed building the network with Meraki: Adapt and Overcome. 25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. All the Black Hat network traffic was supported by Meraki switches and wireless access points, using the latest Meraki gear donated by Cisco.

DNS 104

DNS Wireless Malware Firewall 104

Cisco Security

JUNE 15, 2021

Everyone has been using and abusing the “next-generation” qualifier to describe any modern firewall product for far too long, so it is appropriate to drop this extraneous prefix and talk about what truly comes next for this technology. After all, the cloud is just your stuff running in someone’s else data center. Insert Your Firewall Here.

Firewall 140

Firewall Network Security Software Encryption 140

Security Boulevard

APRIL 8, 2025

NTLM relay attacks have been around for a long time. While many security practitioners think NTLM relay is a solved problem, or at least a not-so-severe one, it is, in fact, alive and kicking and arguably worse than ever before. NTLM literally stands for New Technology LAN Manager, a name that didnt age well.

Authentication 52

Authentication Accountability Passwords Encryption 52

Duo's Security Blog

JANUARY 28, 2022

What’s the Vision? This includes the use of cloud based infrastructure Applications — tested internally and externally Data — categorized and tagged using cloud security services and enterprise logging capabilities What’s Notable in the Memo? In addition to detailing the “what” of the strategy, OMB also details the “how.”

Authentication 52

Authentication Government DNS Encryption 52