Security Affairs

APRIL 21, 2022

Umbrella is Cisco’s cloud-based Secure Internet Gateway (SIG) platform that provides users with multiple levels of defense against internet-based threats. Umbrella integrates secure web gateway, firewall, DNS-layer security, and cloud access security broker (CASB) functionality to protect systems against threats.

DNS 116

DNS Firewall Internet Internet 116

Krebs on Security

JANUARY 22, 2019

Experts at Cisco Talos and other security firms quickly drew parallels between the two mass spam campaigns, pointing to a significant overlap in Russia-based Internet addresses used to send the junk emails. Large-scale spam campaigns often are conducted using newly-registered or hacked email addresses, and/or throwaway domains.

DNS 230

DNS Internet Internet Computers and Electronics 230

Webroot

JANUARY 26, 2022

Security Analyst Tyler Moffitt says, “Even if malware targets someone with lower-level access, the attack will move laterally to eventually find an IT administrator.”. A layered approach to security. By using security awareness training that offers regular simulations, you can reduce phishing by up to 70%.

Phishing 103

Phishing DNS Backups Security Awareness 103

CyberSecurity Insiders

JANUARY 6, 2022

This blog was written by an independent guest blogger. However, the familiarity of making financial transactions online can make people forget about security and all the dangers that they may be facing. That’s why it’s crucial to have a robust IT security strategy in place. Use a Secure Sockets Layer.

Encryption 134

Encryption Identity Theft Authentication Data breaches 134

Cisco Security

MARCH 17, 2021

The provisioning of remote workforce and branch connectivity at scale creates significant complexity across IT, security, and networking teams. This expanded access requirement also magnifies security threat vectors. The fact that employees now require secure access everywhere compel security services to be everywhere too.

Architecture 139

Architecture DNS Firewall Accountability 139

Security Boulevard

JUNE 21, 2023

I can have one delivered to my place tomorrow … Pay-Per-Click Fraud A security researcher named Daniel Milisic discovered the malware. The security researcher actually used a Pi-hole to detect and neuter the malware. It allows lists to be loaded that will block known malicious domains, tracking domains and/or ad domains.

Firmware 104

Firmware DNS Malware Manufacturing 104

Webroot

NOVEMBER 7, 2022

Insight from OpenText Security Solutions’ 2022 Global Ransomware SMB Survey sheds light on security priorities, concerns and posture. Feedback from SMBs across multiple industries and countries confirm security teams and the C-suite are worried about increasingly sophisticated and relentless attacks. Fighting more, with less.

Ransomware 83

Ransomware Security Awareness DNS Phishing 83

Troy Hunt

JULY 12, 2018

Even the government has been pushing to drive adoption of HTTPS for all sites, for example in this post by the National Cyber Security Centre in the UK : all websites should use HTTPS, even if they don't include private content, sign-in pages, or credit card details. DNS Hijacking. — Troy Hunt (@troyhunt) July 5, 2018.

DNS 277

DNS Wireless Risk Banking 277

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. Maybe you don’t even run your own DNS server, so why would you care? is the OS’s problem.

DNS 45

DNS Encryption 45

CyberSecurity Insiders

APRIL 14, 2023

This is the second blog in the series focused on PCI DSS, written by an AT&T Cybersecurity consultant. See the first blog relating to IAM and PCI DSS here. Explanations of why any issues found, and deemed failures, by the testing are not in fact germane to the overall security posture. printers on CDE-adjacent networks).

Penetration Testing 102

Penetration Testing DNS Passwords Accountability 102

Security Affairs

MARCH 5, 2019

Google Chronicle launched Backstory, the first global security telemetry platform designed to allow companies monitoring cyber threats. ” Backstory analyzes log data, including DNS traffic, NetFlow, endpoint logs, proxy logs and elaborates this huge trove of information into meaningful, and quickly searchable manner. .

DNS 83

DNS Cyber threats Advertising Data collection 83

SC Magazine

MAY 4, 2021

In a blog post, the Qualys Research Team said that these vulnerabilities affect numerous organizations because an estimated 60% of internet servers run on Exim. Security pros should also take note that Exim servers hosted in the cloud can be exploited, said Parag Bajaria, vice president of cloud and container security solutions at Qualys.

Internet 79

Internet Internet DNS Network Security 79

Duo's Security Blog

MAY 4, 2023

See the video at the blog post. We can rely on credentials that are created by the computer, controlled by the computer, and controlled in a secure manner. Securing passwordless with WebAuthn Chrysta: How does the process of a passwordless login differ from a traditional password-based one from the user’s perspective?

Passwords 78

Passwords Authentication DNS Technology 78

Security Affairs

AUGUST 7, 2019

Security researcher Marco Ramilli presents a comparative analysis of attacks techniques adopted by the Iran-Linked OilRig APT group. T1094) mainly developed using DNS resolutions (which is actually one of the main characteristic of the attacker group). I am a computer security scientist with an intensive hacking background.

Computers and Electronics 81

Computers and Electronics Penetration Testing DNS Phishing 81

Security Boulevard

MARCH 3, 2023

MalVirt loaders use multiple techniques to evade detection by antivirus software, endpoint detection and response (EDR) software, and other common security tools. Your Secure Web Gateway didn’t have any signatures for the file and automated analysis showed nothing wrong, so it happily served the file to the client.

Phishing 57

Phishing DNS Malware Antivirus 57

Security Boulevard

JUNE 28, 2023

Our solutions layer into a client’s existing security stack and provide the critical visibility into malicious behavior and communication that is the first sign of an intrusion. The Secret to Cybersecurity Lies in Interrupting and Updating Causation Chains appeared first on Security Boulevard.

Cybersecurity 57

Cybersecurity DNS Ransomware Malware 57

Troy Hunt

NOVEMBER 25, 2020

Now for the big challenge - security. The "s" in IoT is for Security Ok, so the joke is a stupid oldie, but a hard truth lies within it: there have been some shocking instances of security lapses in IoT devices. But there are also some quick wins, especially in the realm of "using your common sense". Let's dive into it.

IoT 358

IoT Firmware Risk Manufacturing 358

The Last Watchdog

OCTOBER 19, 2021

The trees on the top layer represent users’ knowledge, which gets divided into new types of “data containers” in the middle, or infrastructure, layer. The bottom, or marketplace layer, is where the disruption happens. With this increased agency comes the possibility of improved privacy and security.

Internet 223

Internet Internet Cryptocurrency Software 223

Security Boulevard

OCTOBER 2, 2023

This blog examines the escalating phishing landscape, shortcomings of common anti-phishing approaches, and why implementing a Protective DNS service as part of a layered defense provides the most effective solution. This is where Protective DNS comes in. Phishing attacks are becoming more difficult to detect.

DNS 62

DNS Phishing Social Engineering Engineering 62

Security Affairs

JANUARY 25, 2019

Security experts from Cybaze -Yoroi ZLab investigated two malicious spam campaigns delivering Java RAT that show some similarities. The string labeled with the variable name “ duvet ” hides another layer of code. Proving the investigation capabilities of a threat research team are fundamental into a modern cyber security paradigm.

Malware 85

Malware VPN Advertising InfoSec 85

Security Boulevard

FEBRUARY 7, 2024

Germany-based independent security evaluators AV-TEST found that HYAS Protect Protective DNS is the most effective operational resiliency solution on the market today to drive business continuity and continued operations. While businesses’ entire security stacks do matter, it’s impossible to stop all nefarious activity beforehand.

DNS 67

DNS Architecture Marketing Cyber threats 67

Fox IT

JANUARY 12, 2021

If the victim’s network contains other Windows domains or different network security zones, the adversary scans and finds the trust relationships and jump hosts, attempting to move into the other domains and security zones. The text files contain the contents of the Security Event log after the specified date.

VPN 68

VPN Accountability Passwords DNS 68

Security Boulevard

MARCH 13, 2024

It’s also why HYAS clients depend upon our protective DNS solution, HYAS Protect , as a trusted and necessary component of their security stack. HYAS Protect now supports “split-horizon DNS” for handling DNS requests differently depending upon whether the employee is on-network or off.

DNS 48

DNS Architecture Cyber threats Phishing 48

Security Boulevard

OCTOBER 21, 2022

In this case there are multiple payloads which are downloaded and executed by the WarHawk backdoor which are analyzed later in the blog. While tracking the SideWinder’s espionage campaign we came across WarHawk downloading three additional Stage-2 Payloads from the Command and Control at the time of writing this blog. 137/Snitch.exe.

DNS 52

DNS Phishing Malware Government 52

Pen Test Partners

AUGUST 24, 2023

With that in mind, and for those that weren’t able to attend, here’s a follow-up blog post. The GSSPI layer does not perform these steps unlike SSPI on Windows, therefore the implementation of authorisation is left to the vendor of the service. This is where decisions can be disastrous within Active Directory environments.

DNS 52

DNS Authentication Accountability Passwords 52

Fox IT

NOVEMBER 1, 2023

Elastic Security first documented Blister in December 2021 in a campaign that used malicious installers 4. Elastic Security recently wrote about this version 7. Looking back at Blister In early 2023, we observed a SocGholish infection at our security operations center (SOC). We also included a more complete data set at [link].

Computers and Electronics 92

Computers and Electronics Encryption DNS Ransomware 92

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. Port Security, by Ryan MacLennan, Ian Redden and Paul Fiddler. 25+ Years of Black Hat (and some DNS stats), by Alejo Calaoagan. We had an incredible staff of 20 Cisco engineers to build and secure the network.

DNS 73

DNS Wireless Malware Firewall 73

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. Source: MISP Project ).

DNS 90

DNS Computers and Electronics Penetration Testing Government 90

Malwarebytes

SEPTEMBER 14, 2022

The intel you need to secure your business—delivered straight to your inbox. From industry tips and best practices to the latest Malwarebytes product releases and how-tos, our Business newsletter is chock-full of the best of our business blog. DNS filtering. But first, a little bit about what DNS (domain name system) is.

Technology 66

Technology DNS Cyber Insurance Insurance 66

Cisco Security

MAY 3, 2022

The Public Cloud and Security Responsibility. Across many businesses, leveraging services offered and hosted by public cloud providers such as AWS proves to be extremely advantageous for both improving operational efficiencies, cost savings, scaling, and for security. Another business benefit is with security. Enter Denonia.

DNS 101

DNS Threat Detection Software Cryptocurrency 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. What is a DDoS Attack? 5 DDoS Attack Risks.

DDOS 144

DDOS Cyber Attacks DNS Threat Detection 144

Duo's Security Blog

MAY 10, 2023

With advanced language-based AI tools like ChatGPT growing increasingly accessible, the battle to prevent phishing attacks from impacting users is no longer answerable with just one security solution. Why is layered security essential against phishing? PCI DSS, HIPAA, etc.)

Phishing 54

Phishing DNS Authentication Risk 54

Cisco Security

JUNE 15, 2021

As a network and workload security strategy leader, I spend a lot of time thinking about the future of the good old network firewall. A future firewall may look and feel very different, but it will be there – even if hidden behind some policy abstraction layers or managed entirely by someone else. Read Me First.

Firewall 128

Firewall Software Network Security Encryption 128

Webroot

FEBRUARY 19, 2021

To sleep at night, MSPs feel they must enhance or expand their security offerings beyond the standard layers, like; firewalls, firewall filtering, active directory protocols, DNS Filtering and antivirus/malware detection. All security tools with an endpoint agent are basically EDR.

Insurance 69

Insurance Firewall Cybersecurity DNS 69

eSecurity Planet

FEBRUARY 8, 2021

According to security firm Gemini Advisory, the Fin7 hacker group stole data on more than five million credit and debit cards that had been used at HBC credit card terminals beginning in May 2017. “This type of poor security practice should be avoided at all costs, as it exposes the company to easily become a victim of cybercrime.”

Retail 52

Retail Encryption Malware Artificial Intelligence 52

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. We also provide integrated security, visibility and automation: a SOC (Security Operations Center) inside the NOC, with Grifter and Bart as the leaders.

Wireless 60

Wireless DNS Mobile Technology 60

Cisco Security

AUGUST 29, 2022

In part one of this issue of our Black Hat USA NOC (Network Operations Center) blog, you will find: Adapt and Overcome. Port Security, by Ryan MacLennan, Ian Redden and Paul Fiddler. I am proud of the Cisco Meraki and Secure team members and our NOC partners. Building the Hacker Summer Camp network, by Evan Basta. Full stop.

Engineering 70

Engineering Wireless Malware DNS 70