Krebs on Security

MARCH 9, 2021

Top of the heap this month (apart from the ongoing, global Exchange Server mass-compromise ) is a patch for an Internet Explorer bug that is seeing active exploitation. “We strongly encourage all organizations that rely on Internet Explorer and Microsoft Edge (EdgeHTML-Based) to apply these patches as soon as possible.”

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DNS Internet Internet Software 352

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.

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DNS Internet Internet Computers and Electronics 276

Krebs on Security

MARCH 31, 2020

PT Monday evening, Escrow.com’s website looked radically different: Its homepage was replaced with a crude message in plain text: The profanity-laced message left behind by whoever briefly hijacked the DNS records for escrow.com. Running a reverse DNS lookup on this 111.90.149[.]49 Image: Escrow.com.

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Phishing DNS Social Engineering Accountability 345

Security Affairs

JULY 26, 2024

The Internet Systems Consortium (ISC) released BIND security updates that fixed several remotely exploitable DoS bugs in the DNS software suite. The Internet Systems Consortium (ISC) released security updates for BIND that address DoS vulnerabilities that could be remotely exploited. In BIND 9 versions 9.18.1 S1 through 9.18.27-S1,

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DNS Software Internet Internet 145

Security Affairs

AUGUST 20, 2021

The Internet Systems Consortium (ISC) addressed a high-severity denial-of-service (DoS) flaw (CVE-2021-25218) affecting the BIND DNS software. Some operating systems allow packets received via other protocols to affect PMTUD values for DNS over UDP.” SecurityAffairs – hacking, BIND DNS ). Pierluigi Paganini.

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DNS Internet Internet Software 110

Adam Levin

MARCH 21, 2019

Department of Homeland Security issued an emergency directive in January 2019 giving government agencies ten days to verify that they weren’t compromised by DNS hijacking. Today, less than 20% of DNS traffic is secured by DNSSEC, and only three percent of Fortune 1,000 companies have implemented it.

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DNS Government Internet Internet 141

Krebs on Security

FEBRUARY 26, 2023

Media coverage understandably focused on GoDaddy’s admission that it suffered three different cyberattacks over as many years at the hands of the same hacking group. Thus, the second factor cannot be phished, either over the phone or Internet.

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Hacking Social Engineering Phishing Scams 332

Security Affairs

APRIL 7, 2024

The flaw affects multiple D-Link NAS devices, including models DNS-340L, DNS-320L, DNS-327L, and DNS-325. Netsecfish reported that over 92,000 Internet-facing devices are vulnerable. The flaw impacts the following devices: DNS-320L Version 1.11, Version 1.03.0904.2013, Version 1.01.0702.2013 DNS-325 Version 1.01

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Internet Internet DNS Hacking 110

Security Boulevard

JANUARY 31, 2024

It was DNS. It’s always DNS: Government ministry denies hackers hacked its network infrastructure. The post Russian Internet Outage: DNSSEC Oops or Ukraine Hack? appeared first on Security Boulevard.

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Internet Internet Hacking DNS 89

Security Affairs

MAY 1, 2021

The Internet Systems Consortium (ISC) released updates for the BIND DNS software to patch several denial-of-service (DoS) and potential RCE flaws. SecurityAffairs – hacking, BIND). The post Flaws in the BIND software expose DNS servers to attacks appeared first on Security Affairs. Pierluigi Paganini.

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DNS Software Internet Internet 141

eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

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DNS DDOS Firewall Architecture 113

Security Affairs

FEBRUARY 19, 2021

An anonymous researcher initially reported that the Brave’s Tor mode was sending queries for.onion domains to public internet DNS resolvers, other experts confirmed his findings. Piping.onion requests through DNS where your ISP or DNS provider can see that you made a request for an.onion site defeats that purpose.”

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DNS Internet Internet Hacking 139

Security Affairs

FEBRUARY 12, 2024

ExpressVPN addressed a bug in the split tunneling feature that exposed the domains visited by the users to configured DNS servers. The expert noticed that the DNS queries were sent to the DNS server configured on the computer. Anyway, disabling the split tunneling feature will prevent the leak of the DNS requests.

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DNS VPN Encryption Internet 138

Security Affairs

SEPTEMBER 4, 2019

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. Pierluigi Paganini.

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DNS Hacking Firmware Wireless 97

Security Affairs

SEPTEMBER 23, 2020

Qurium analyzes the blocking implemented by four different operators in Belarus Belarus operators use their own infrastructure to implement the blocking Block techniques include transparent web proxies, injection of HTTP responses, stateless and stateful SSL DPI and fake DNS responses. Qurium forensics report: Internet blocking in Belarus.

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Internet Internet DNS Advertising 133

Security Affairs

MAY 3, 2022

A vulnerability in the domain name system (DNS) component of the uClibc library impacts millions of IoT products. Nozomi Networks warns of a vulnerability, tracked as CVE-2022-05-02, in the domain name system (DNS) component of the uClibc library which is used by a large number of IoT products. ” continues the advisory.

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DNS IoT Hacking Cybersecurity 127

Security Affairs

APRIL 6, 2019

Security experts at Bad Packets uncovered a DNS hijacking campaign that is targeting the users of popular online services, including Gmail, Netflix, and PayPal. Hackers compromised consumer routers and modified the DNS settings to redirect users to fake websites designed to trick victims into providing their login credentials.

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DNS Advertising Internet Internet 112

Malwarebytes

JANUARY 16, 2025

US Attorney Jacqueline Romero for the Eastern District of Pennsylvania commented: “This wide-ranging hack and long-term infection of thousands of Windows-based computers, including many home computers in the United States, demonstrates the recklessness and aggressiveness of PRC state-sponsored hackers.

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Malware DNS Internet Internet 125

Security Affairs

SEPTEMBER 26, 2024

internet service providers (ISPs) as part of a cyber espionage campaign code-named Salt Typhoon. internet service providers in recent months as part of a cyber espionage campaign code-named Salt Typhoon. internet-service providers in recent months in pursuit of sensitive information, according to people familiar with the matter.”

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Internet Internet DNS Telecommunications 131

Security Affairs

FEBRUARY 24, 2019

Large-scale attacks are threatening the global Internet infrastructure, the alarm was launched by the Internet Corporation for Assigned Names and Numbers (ICANN). After an emergency meeting, the Internet Corporation for Assigned Names and Numbers (ICANN) confirmed that the global Internet infrastructure is facing large-scale attacks.

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Internet Internet DNS Telecommunications 111

Webroot

MARCH 9, 2021

DNS (Domain Name System) is especially vulnerable. Once the criminal redirects internet traffic to malicious websites or takes control of servers, the damage is inevitable. However, cybercriminals can also use legal DNS traffic surveillance to their advantage. The post Who’s Hacking You? appeared first on Webroot Blog.

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Hacking DNS Surveillance Cybercrime 132

eSecurity Planet

NOVEMBER 10, 2023

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role.

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DNS DDOS Encryption Authentication 109

Krebs on Security

OCTOBER 4, 2021

We don’t yet know why this happened, but the how is clear: Earlier this morning, something inside Facebook caused the company to revoke key digital records that tell computers and other Internet-enabled devices how to find these destinations online. Kentik’s view of the Facebook, Instagram and WhatsApp outage. Update, 6:16 p.m.

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Internet Internet DNS Marketing 363

Security Affairs

SEPTEMBER 25, 2022

The Internet Systems Consortium (ISC) fixed six remotely exploitable vulnerabilities in the BIND DNS software. The Internet Systems Consortium (ISC) this week released security patches to address six remotely exploitable vulnerabilities in BIND DNS software. SecurityAffairs – hacking, BIND DNS).

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DNS Software Internet Internet 108

Security Affairs

JULY 14, 2019

The UK’s National Cyber Security Centre (NCSC) issued a security advisory to warn organizations of DNS hijacking attacks and provided recommendations this type of attack. In response to the numerous DNS hijacking attacks the UK’s National Cyber Security Centre (NCSC) issued an alert to warn organizations of this type of attack.

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DNS Social Engineering Accountability Advertising 108

Security Affairs

JANUARY 10, 2019

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. It is interesting to note that FireEye confirmed that this campaign is different from other operations carried out by Iranian APT groups due to the use of DNS hijacking at scale.

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DNS Telecommunications Government Encryption 109

Krebs on Security

DECEMBER 20, 2018

” For one thing, the booter services targeted in this takedown advertised the ability to “resolve” or determine the true Internet address of a target. Some resolvers also allowed customers to determine the Internet address of a target using nothing more than the target’s Skype username. Attorney Schroeder said.

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DNS Computers and Electronics Government Internet 241

Krebs on Security

JULY 18, 2023

[This is Part III in a series on research conducted for a recent Hulu documentary on the 2015 hack of marital infidelity website AshleyMadison.com.] us , a site unabashedly dedicated to helping people hack email and online gaming accounts. A review of passive DNS records from DomainTools indicates that in 2013 pictrace[.]com

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Hacking Accountability Data breaches Marketing 242

Security Affairs

JANUARY 23, 2019

DHS has issued a notice of a CISA emergency directive urging federal agencies of improving the security of government-managed domains (i.e.gov) to prevent DNS hijacking attacks. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

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DNS Government Telecommunications Advertising 111

Security Affairs

AUGUST 10, 2020

An attacker could use $300 worth of off-the-shelf equipment to eavesdrop and intercept signals from satellite internet communications. The academic researcher James Pavur, speaking at Black Hat 2020 hacking conference , explained that satellite internet communications are susceptible to eavesdropping and signal interception.

Internet 135

Internet Internet Advertising Encryption 135

Webroot

MARCH 29, 2021

An endpoint DNS solution could have stopped the Trojanized Orion version by refusing to resolve the domain names of the command-and-control servers, again disrupting the infection to the point that no real damage could be done. Every employee’s home network has a different set of security protocols and internet use is unregulated.

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Hacking DNS Firewall Malware 139

Security Affairs

SEPTEMBER 21, 2019

US authorities have indicted two men for hacking the exchange EtherDelta in December 2017, one of them was also accused of TalkTalk hack. US authorities have indicted two men, Elliot Gunton and Anthony Tyler Nashatka, for hacking the cryptocurrency exchange EtherDelta in 2017. SecurityAffairs – TalkTalk, hacking).

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Hacking DNS Cryptocurrency Accountability 104

Security Affairs

FEBRUARY 13, 2025

Microsoft now spotted the subgroup compromising multiple Internet-facing infrastructures to enable Seashell Blizzard APT group to maintain persistence in the networks of high-value targets and support tailored network operations. This infrastructure technique is versatile, supporting operations globally. .

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Telecommunications DNS Hacking Passwords 109

Security Affairs

JUNE 26, 2023

The Internet Systems Consortium (ISC) addressed three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND. The Internet Systems Consortium (ISC) released security updates to address three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND.

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Internet Internet DNS Software 98

Malwarebytes

FEBRUARY 11, 2021

They will look for dependencies locally, on the computer where a project resides, and they will check the package manager’s public, Internet-accessible, directory. Getting the information to his own server from deep inside well-protected corporate networks posed yet another problem which was solved by using DNS exfiltration.

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Hacking DNS Unstructured Data Social Engineering 139

Security Affairs

AUGUST 4, 2024

A China-linked APT, tracked as StormBamboo, compromised an internet service provider (ISP) to poison software update mechanisms with malware. Upon investigating the incidents, the researchers determined that a DNS poisoning attack at the ISP level caused the infection. The company linked the attacks to StormBamboo APT group.

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Malware DNS Firewall Software 144

Security Affairs

JANUARY 28, 2023

BIND is a suite of software for interacting with the Domain Name System (DNS) maintained by the Internet Systems Consortium (ISC). The ISC released security patches to address multiple high-severity denial-of-service DoS vulnerabilities in the DNS software suite. Then ‘named’ may exit due to a lack of free memory.

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DNS Software Hacking Internet 98