Krebs on Security

JANUARY 22, 2019

In July 2018, email users around the world began complaining of receiving spam which began with a password the recipient used at some point in the past and threatened to release embarrassing videos of the recipient unless a bitcoin ransom was paid. ” SAY WHAT? 13, 2018 bomb threat hoax. domaincontrol.com, and ns18.domaincontrol.com.

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DNS Internet Internet Computers and Electronics 242

Webroot

MARCH 9, 2021

In that spirit, we put together this blog post to explain the different hacker types and methods they use against us. Pretending to be someone else, these hackers manipulate their victims into opening doors to systems or unwittingly sharing passwords or banking details. DNS (Domain Name System) is especially vulnerable.

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Hacking DNS Surveillance Cybercrime 115

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. Classic blunders? Not if we can help it!

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DNS Architecture Cyber threats Phishing 49

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. This blog was then later weaponised into a single python script and dubbed Sam the Admin. Later, Andrew released his own blog too , already hinting at some issues with *nix based Kerberos services within Active Directory realms.

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DNS Authentication Accountability Passwords 52

Krebs on Security

MARCH 2, 2020

HYAS said it quickly notified the French national computer emergency team and the FBI about its findings, which pointed to a dynamic domain name system (DNS) provider on which the purveyors of this attack campaign relied for their various malware servers. ‘FATAL’ ERROR. to for a user named “ fatal.001.”

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DNS Penetration Testing Malware Hacking 264

Krebs on Security

APRIL 4, 2024

For example, this account at Medium has authored more than a dozen blog posts in the past year singing the praises of Tornote as a secure, self-destructing messaging service. A review of the passive DNS records tied to this address shows that apart from subdomains dedicated to tornote[.]io, io seem like a legitimate website.

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Phishing Cryptocurrency DDOS Internet 223

Cisco Security

JUNE 13, 2022

For example: IMPACT : An SSH server which supports password authentication is susceptible to brute-forcing attacks. Look for “keyboard-interactive” and “password” methods. Surely, someone must have written a blog or something more descriptive about this already,” they would say. The second story comes from machine detections.

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DNS Engineering Authentication Malware 107

Security Affairs

JULY 13, 2019

The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. ” reads a blog post published by Avast. “ Malware then guesses routers’ passwords , which new research from Avast shows are often weak.

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DNS Passwords Advertising Banking 70

Security Affairs

MAY 11, 2023

An attacker could also use these vulnerabilities to access and control networked smart devices (security cameras, thermostats, smart locks), change router settings including credentials or DNS settings, or use a compromised network to launch attacks against other devices or networks.” ” reads the advisory published by NETGEAR.

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Hacking Firmware Authentication DNS 92

Malwarebytes

SEPTEMBER 14, 2022

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. The next technology you need to prevent cyberattacks is a DNS filter. But first, a little bit about what DNS (domain name system) is.

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Technology DNS Cyber Insurance Insurance 66

Webroot

MARCH 29, 2021

We learned, for instance, that even IT pros could use a refresher on basic password hygiene through security awareness training. Firewalls embed threat intelligence and DNS security solutions are used to both block malware and control internet use. DNS security solutions are one way of addressing this risk.

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Hacking DNS Firewall Malware 116

Security Boulevard

JANUARY 17, 2024

This blog post describes methods that SpecterOps consultants have researched to successfully circumvent this technology during offensive assessments. For example, Cloudflare Zero Trust blocks uploads and downloads of encrypted, password-protected files or files larger than 15MB by default because it cannot scan those files.

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DNS Penetration Testing Passwords Encryption 64

Krebs on Security

NOVEMBER 21, 2020

. “A domain hosting provider ‘GoDaddy’ that manages one of our core domain names incorrectly transferred control of the account and domain to a malicious actor,” Liquid CEO Kayamori said in a blog post. ” In the early morning hours of Nov.

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Cryptocurrency VPN Scams Social Engineering 363

Security Affairs

JUNE 9, 2022

In addition to the rootkit capability, the malware provides a backdoor for the threat actor to log in as any user on the machine with a hardcoded password, and to execute commands with the highest privileges.” ” reads the report published by Blackberry. ” concludes the report. Pierluigi Paganini.

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Malware DNS Antivirus Passwords 142

Troy Hunt

OCTOBER 28, 2020

Everything becomes clear(er) if I manually change the font in the browser dev tools to a serif version: The victim I was referring to in the opening of this blog post? Obviously, the image is resized to the width of paragraphs on this blog, give it a click if you want to check it out at 1:1 size. Is it a button?

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Phishing Password Management Passwords Internet 362

Security Affairs

APRIL 12, 2019

On Thursday, Matrix.org warned users of the security breach, a hacker gained unauthorized access to the production databases, including unencrypted message data, access tokens, and also password hashes. As a precaution, if you’re a matrix.org user you should change your password now.” ” continues Matrix.org.

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Hacking DNS Passwords Data breaches 79

CyberSecurity Insiders

MARCH 5, 2021

According to SaveBreach , Security Researcher Vinoth Kumar discovered a password that belongs to SolarWinds update server has been leaked to Github since 2018. It is unclear whether the attackers have utilized the weak password in the attacks, but it shows the weakness of SolarWinds security posture. Conclusions.

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DNS Education Malware Telecommunications 138

Duo's Security Blog

MAY 10, 2023

Effectively protecting complex networks against sophisticated phishing attacks involves a comprehensive security stack including multi-factor authentication (MFA) , single sign-on (SSO) , and domain name system (DNS) security. Domain name system security (DNS) is another layer of protection that stops users from ever opening fraudulent links.

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Phishing DNS Authentication Risk 54

Cisco Security

AUGUST 12, 2021

For several years, Cisco Secure provided DNS visibility and architecture intelligence with Cisco Umbrella and Cisco Umbrella Investigate ; and automated malware analysis and threat intelligence with Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX. DNS traffic at Record Low.

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DNS Firewall Phishing Mobile 137

Security Affairs

JUNE 20, 2022

sections “The Underdogs – Best Personal (non-commercial) Security Blog” and “The Tech Whizz – Best Technical Blog”). Security Affairs is one of the finalists for the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS. Please vote for Security Affairs and Pierluigi Paganini in every category that includes them (e.g.

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Spyware DNS Surveillance Ransomware 66

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. An SSL can secure credit card transactions, usernames and passwords from being stolen by hackers. Joe’s Vegan Blog Cooks Up Comment Spam. What can Joe do to protect his blog?

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Hacking DDOS eCommerce Firewall 98

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. There are several issues implied in the PCI DSS Standard and its associated Report on Compliance which are rarely addressed in practice.

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Penetration Testing DNS Passwords Accountability 102

Cisco Security

DECEMBER 22, 2022

Cisco Umbrella : DNS visibility and security. This reduces the confusion of managing multiple accounts and passwords. The workflows create accounts in SecureX, Secure Malware Analytics (Threat Grid), Umbrella DNS and Meraki dashboard, all using SecureX Single Sign-On. Integrating Security.

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DNS Malware Accountability Wireless 71

Malwarebytes

FEBRUARY 28, 2024

Changing all administrative and local passwords three times to fortify security. Restoring all infected endpoints from secure backups, eliminating the use of local administrator accounts, and implementing application and DNS filtering to control software usage and web access.

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Malware DNS Surveillance Backups 83

eSecurity Planet

DECEMBER 3, 2021

Krebs wrote for The Washington Post between 1995 and 2009 before launching his current blog KrebsOnSecurity.com. Facebook Plans on Backdooring WhatsApp [link] — Schneier Blog (@schneierblog) August 1, 2019. Normally account take overs are due to insecure passwords or recovery options, this is definitely something different.

Accountability 139

Accountability Cybersecurity Penetration Testing InfoSec 139

Webroot

MAY 6, 2024

For consumers, being alert to suspicious emails, using secure passwords, and frequently backing up data is crucial. Combine antivirus tools with DNS protection, endpoint monitoring, and user training for comprehensive protection. The post Key Insights from the OpenText 2024 Threat Perspective appeared first on Webroot Blog.

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Antivirus Education Cyber threats Phishing 89

Duo's Security Blog

MARCH 2, 2022

Year after year, the Verizon Data Breach Report highlights the fact that compromised credentials contribute to the majority of breaches — and MFA remains the strongest mechanism to deter the use of stolen passwords. Passwordless removes the password from the authentication and relies on asymmetric keys to verify the user.

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Authentication Phishing DNS Passwords 70

Troy Hunt

MARCH 1, 2018

As this service has grown, it's become an endless source of material from which I've drawn upon for conference talks, training and indeed many of my blog posts. I've regularly quoted the NCSC in particular, for example there's a bunch of their work in my recent blog post about authentication guidance for the modern era.

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Government Data breaches Passwords Authentication 187

Malwarebytes

JUNE 15, 2022

Symbiote’s evasion techniques (Source: Blackberry Threat Vector Blog ). Symbiote also offers threat actors a backdoor to the infected Linux machine, to which they can log in as a user with the highest privilege using a hardcoded password. This enables it to hide on infected Linux machines. Symbiote: the hows and whys of its ways.

Malware 64

Malware DNS Banking Engineering 64

Security Boulevard

APRIL 26, 2022

Some details about this campaign were published in this Korean blog, however they did not perform the threat attribution. In this blog, we will share the technical details of the attack chains, and will explain how we correlated this threat actor to Lazarus. The password for the file was mentioned in the email body.

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Phishing DNS Cryptocurrency Accountability 52

Security Affairs

SEPTEMBER 8, 2019

Hi folk, let me inform you that I suspended the newsletter service, anyway I’ll continue to provide you a list of published posts every week through the blog. Some Zyxel devices can be hacked via DNS requests. Over 600k GPS trackers left exposed online with a default password of ‘123456. Once again thank you!

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IoT Data breaches DNS Advertising 72

Security Affairs

JUNE 6, 2019

Distributed in a ZIP container (a copy is available here ) the interface is quite intuitive: the Microsoft exchange address and its version shall be provided (even if in the code a DNS-domain discovery mode function is available). txt including numbers from 0 to 999 and from 0002 (why not 0001 or 0000?)

Computers and Electronics 78

Computers and Electronics Penetration Testing DNS Passwords 78

CyberSecurity Insiders

JANUARY 6, 2022

This blog was written by an independent guest blogger. From hardware or software issues and hidden backdoor programs to vulnerable process controls, weak passwords, and other human errors, many problems can put your transactions at risk and leave the door open to cybercriminals. HTTPS and DNS), data link (e.g.,

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Encryption Identity Theft Authentication Data breaches 134

Pen Test Partners

SEPTEMBER 13, 2023

Section 8 Password strength requirements have increased, moving from a minimum of 7 to 12 alpha and numeric characters. If using just passwords for authentication, service providers must change customer passwords every 90 days. This means no more ‘your password is incorrect’.

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Authentication Passwords Media Encryption 52

Security Boulevard

JUNE 28, 2023

Often, a low-level bad actor may find a compromised password or another backdoor into a network and sell that information to a higher-level criminal organization with the means and wherewithal to deploy fully undetectable malware. And they may keep the data once the ransom is paid regardless.

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Cybersecurity DNS Ransomware Malware 59

Security Boulevard

APRIL 19, 2023

They have the ability to add valuable functionality to your browser (password managers, ad-blocking, automatic translations, etc.), Enterprise Security at Home For years, businesses have been able to use HYAS Protect to block communication to threat actor infrastructure by using advanced DNS filtering.

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DNS Banking Password Management Malware 72

Malwarebytes

MAY 5, 2022

In this blog, we expose some of the activities from a scammer who started off with classic advance-fee schemes and is now successfully running Agent Tesla campaigns. Remember that 1985 was used in a lot of passwords collected from accounts that conducted these illegal activities. hackforums.net exploit.in titan.email (.pw

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Malware Scams Phishing Accountability 76