Cisco Security

DECEMBER 22, 2022

Integrating Meraki Scanning Data with Umbrella Security Events, by Christian Clasen. As the needs of Black Hat evolved, so did the Cisco Secure Technologies in the NOC: Cisco SecureX : Extended Detection and Response actions / Automations. Cisco Umbrella : DNS visibility and security. Integrating Security.

DNS 71

DNS Malware Accountability Wireless 71

eSecurity Planet

JANUARY 6, 2021

Forescout Research Labs last month released a 14-page white paper and a 47-page research report detailing 33 vulnerabilities affecting millions of Internet of Things (IoT), Operational Technology (OT), and IT devices. Stack components impacted include DNS, IPv6, IPv4, TCP, ICMP, LLMNR, and mDNS. DNS Cache Poisoning: 2.

IoT 140

IoT DNS Internet Internet 140

Webroot

FEBRUARY 16, 2021

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

DNS 69

DNS Encryption Firewall Network Security 69

Cisco Security

AUGUST 12, 2021

Like other Black Hat conferences, the mission of the NOC is to build a conference network that is secure, stable and accessible for the training events, briefings, sponsors and attendees. Threat hunting is a core mission of the Cisco Secure team, while monitoring the DNS activity for potentially malicious activity. Cisco Technologies.

DNS 138

DNS Firewall Phishing Mobile 138

eSecurity Planet

SEPTEMBER 3, 2022

A denial-of-service (DoS) event or attack can occur between a small number of devices such as a pair of servers. These events can occur accidentally and even within a corporate network; however, intentional attacks on internet-facing resources are far more common. Also read: How to Secure DNS. Motivations for DDoS Attacks.

DDOS 145

DDOS DNS Firewall Internet 145

Cisco Security

AUGUST 29, 2022

25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. Cisco is a Premium Partner of the Black Hat NOC , and is the Official Wired & Wireless Network Equipment, Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider of Black Hat. Continued Integrations from past Black Hat events.

DNS 75

DNS Wireless Malware Firewall 75

Cisco Security

NOVEMBER 29, 2021

Cisco Secure supports the NOC operations with DNS visibility and architecture intelligence ( Cisco Umbrella and Cisco Umbrella Investigate ) and automated malware analysis and threat intelligence ( Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX ). The other half is Clarity for iOS.

DNS 124

DNS Mobile Malware Firewall 124

SecureList

JANUARY 22, 2024

The main Fat Mach-O file, tellingly named GUI , essentially implemented the PATCH button, clicking which launched two events: The Python installer was copied to the temporary file directory: /tmp/ The tool executable in the resources folder ran with administrator privileges. installer and an extra Mach-O file with the name tool.

Software 110

Software DNS Computers and Electronics Malware 110

eSecurity Planet

APRIL 26, 2024

Server: Provides powerful computing and storage in local, cloud, and data center networks to run services (Active Directory, DNS, email, databases, apps). Endpoint: Enables access for human users and computer services and commonly includes PCs, laptops, Internet of Things (IoT), and operational technology (OT).

Architecture 117

Architecture Network Security Firewall Risk 117

eSecurity Planet

MAY 2, 2024

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.

Cybersecurity 119

Cybersecurity DDOS Penetration Testing Passwords 119

SecureList

OCTOBER 18, 2021

As in the older DanBot instances, both variants supported similar custom C&C protocols tunneled over DNS or HTTP. Our investigation into Lyceum has shown that the group has evolved its arsenal over the years and shifted its usage from the previously documented.NET malware to new versions, written in C++.

DNS 99

DNS Telecommunications Malware Accountability 99

eSecurity Planet

JANUARY 14, 2022

The combination of Prolexic, Edge DNS, and App & API Protector would be recommended for the highest quality of DDoS mitigation to keep applications, data centers, and internet-facing infrastructure (public or private) protected. It is architected for nonstop DNS availability and high performance, even across the largest DDoS attacks.

DDOS 124

DDOS DNS Firewall Media 124

Cisco Security

AUGUST 28, 2023

The Black Hat Network Operations Center (NOC) provides a high security, high availability network in one of the most demanding environments in the world – the Black Hat event. SCA detected 289 alerts including Suspected Port Abuse, Internal Port Scanner, New Unusual DNS Resolver,and Protocol Violation (Geographic).

Wireless 61

Wireless DNS Mobile Technology 61

SecureList

MARCH 10, 2021

After the user starts the program, it changes the DNS settings on the device so that all domains are resolved through the attackers’ servers, which, in turn, prevent users from accessing certain antivirus sites, such as Malwarebytes.com. Distributed under the name adshield[.]pro, allusersprofile%start menuprogramsstartupflock.

DNS 144

DNS Antivirus Malware Encryption 144

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 119

Backups DNS Ransomware Antivirus 119

eSecurity Planet

NOVEMBER 10, 2023

Log monitoring is the process of analyzing log file data produced by applications, systems and devices to look for anomalous events that could signal cybersecurity, performance or other problems. These security logs document the events and actions, when they happened, and the causes of errors.

Risk 111

Risk Threat Detection Firewall Network Security 111

Security Affairs

MAY 2, 2019

Indeed we might observe a File-based command and control (a quite unusual solution) structure, a VBS launcher, a PowerShell Payload and a covert channel over DNS engine. According to Duo, “ OilRig delivered Trojans that use DNS tunneling for command and control in attacks since at least May 2016. It is not a TXT request.

DNS 85

DNS Computers and Electronics Penetration Testing Government 85

eSecurity Planet

MARCH 14, 2023

Securing the expanding, sprawling, and sometimes conflicting collection of technologies that make up network security provides constant challenges for security professionals. The internet of things (IoT), operations technology (OT), and the industrial internet of things (IIoT) also now connect to networks.

Network Security 98

Network Security Firewall Penetration Testing Encryption 98

SecureList

DECEMBER 2, 2022

It is a highly demanding activity, which requires time, multidisciplinary skills, efficient technology, innovation and dedication. We have been doing so since 2008, benefiting from Kaspersky’s decades of cyberthreat data management, and unrivaled technologies. Onyphe ), passive DNS databases, public sandbox reports, etc.

Cyber threats 109

Cyber threats DNS Technology Engineering 109

CyberSecurity Insiders

JANUARY 25, 2022

It uses proprietary technology combined with machine learning, artificial intelligence, and clustering technology to generate invaluable security insights to help thwart brand abuse and cybersecurity incidents. Most recently, the onset of Omicron saw additional disturbing behavior.

Artificial Intelligence 52

Artificial Intelligence Phishing Technology DNS 52

Cisco Security

MAY 27, 2022

Device type spoofing event by Jonny Noble . In addition to the Meraki networking gear, Cisco Secure also shipped two Umbrella DNS virtual appliances to Black Hat Asia, for internal network visibility with redundancy, in addition to providing: . Continued Integrations from past Black Hat events. CyberCrime Tracker.

Malware 73

Malware Accountability DNS Technology 73

Lenny Zeltser

NOVEMBER 3, 2023

To increase the chances that the distributed security measures will be in effect, we can use a combination of three approaches: Enforce security expectations using technology to prevent insecure choices or actions. Monitor for gaps and take action when the right security steps aren’t taken.

Cybersecurity 100

Cybersecurity Accountability Engineering Authentication 100

Cisco Security

AUGUST 26, 2022

Just like the myriad expanding galaxies seen in the latest images from the James Webb space telescope, the cybersecurity landscape consists of a growing number of security technology vendors, each with the goal of addressing the continually evolving threats faced by customers today. Read more here. Read more here. Read more here. Sumo Logic.

Firewall 116

Firewall Authentication Passwords Threat Detection 116

eSecurity Planet

AUGUST 13, 2021

Since the inception of data forensics almost forty years ago, methods for investigating security events have given way to a market of vendors and tools offering digital forensics software (DFS). Today the nonprofit Volatility Foundation is a top digital forensics vendor because of its innovative memory forensics technology.

Software 138

Software Computers and Electronics Marketing Mobile 138

Cisco Security

MAY 24, 2021

Enforce security at the DNS layer. Cisco Umbrella analyses DNS queries to block requests to malicious domains, suspicious files or direct IP connections from command-and-control callbacks. Investigate and manage security events across both IT and OT domains. Attacks are controlled via the internet. Read more about it here.

Firewall 91

Firewall IoT DNS Cyber Attacks 91

SecureList

JUNE 7, 2023

Roaming Mantis implements new DNS changer We continue to track the activities of Roaming Mantis (aka Shaoye), a well-established threat actor targeting countries in Asia. Android malware, used by Roaming Mantis, and discovered a DNS changer function that was implemented to target specific Wi-Fi routers used mainly in South Korea.

DNS 101

DNS Malware Cryptocurrency Retail 101

CyberSecurity Insiders

APRIL 30, 2021

Mitigating against DDoS attacks in cloud-based environments can be a challenge, but current technologies make it possible for organizations to efficiently monitor their entire networks, analyze security logs at scale, and rapidly detect and respond to DDoS attacks before they impact user experience.

DDOS 144

DDOS Cyber Attacks DNS Threat Detection 144

Cisco Security

MARCH 2, 2021

Zero-trust is not just about technology and should include people and process although we will be focusing on technical capabilities thought out this article. Do we trust the IP, DNS, Web, and Other based request coming from the asset? centralized DNS analytics, full URI capture, and sandboxing with full analytics.

DNS 85

DNS Authentication Risk Technology 85

eSecurity Planet

APRIL 18, 2022

Antivirus and EDR tools, SIEM systems (security information and event management), security vendors, software, hardware, firmware, and operating systems. Public WHOIS data such as DNS name servers, IP blocks, and contact information. Credentials, emails, employee names, roles, departments/divisions, and physical location.

Penetration Testing 144

Penetration Testing Firmware DNS Antivirus 144

eSecurity Planet

JULY 30, 2021

It seems that no matter how many security technologies, network perimeters, and intrusion prevention safeguards are erected, the bad guys somehow find a means of entry. It uses Express Micro-Tunnel technology for discreet and private connectivity between distributed environments. Unisys Stealth.

Software 128

Software Architecture Risk Technology 128

McAfee

FEBRUARY 4, 2021

And they didn’t even give it a DNS look up until almost a year later. The majority of this tactic took place from a C2 perspective through the partial exfiltration being done using DNS. If you consume these events, why would somebody disable the event logging temporarily by turning it off and then back on again after some time?

DNS 102

DNS Firewall Accountability Technology 102

eSecurity Planet

JANUARY 5, 2024

To protect the network’s security and integrity, administrators can track and analyze actions by keeping a log of network events. Examples include Users, User Groups, Applications, Application Groups, Countries, IPv4/IPv6 Endpoints, Host DNS Names, and more.

Firewall 106

Firewall Penetration Testing DNS Network Security 106

eSecurity Planet

JUNE 8, 2023

It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits. Email security tools offer features that screen emails for malicious content using antivirus, anti-spam, DNS, attachment, and other analytics.

Firewall 79

Firewall DNS Authentication Malware 79

eSecurity Planet

MAY 19, 2022

The emergence of SD-WAN and SASE technologies bundled together has led many vendors to address both advanced routing and network security vendors for clients. The youngest secure SD-WAN pick is SASE technology vendor Cato Networks. Networking specialists like Cisco and HPE’s Aruba are moving deeper into security. Cato Networks.

Firewall 117

Firewall Architecture Encryption Network Security 117

eSecurity Planet

MARCH 15, 2021

As the zero trust architecture ‘s core technology, implementing microsegmentation isn’t about heavily restricting communication within a network. For microsegmentation, it is as much about the process as it is the technology. Also Read: Firewalls as a Service (FWaaS): The Future of Network Firewalls? .

Firewall 97

Firewall Architecture Technology Software 97

Cisco Security

MAY 26, 2022

From writing about the latest hardware zero-days to learning how to steal cookies from the master himself, Robert Graham, I can say, without any doubt, Black Hat and Defcon were my favorite events of the year. Special recognition to Jeffry Handal for locating the hardware and obtaining the approvals to donate to Black Hat Events.

Wireless 82

Wireless Mobile Engineering Firewall 82

Thales Cloud Protection & Licensing

JUNE 14, 2022

When we speak of “disruptive technologies”, we often think of it in the positive sense, relating to the development of a technology that changes our lives for the better. Ransomware – To Pay, or Not to Pay? Tue, 06/14/2022 - 06:17. A lot of the information is also being shared with the private sector.

Ransomware 71

Ransomware Government Media DNS 71