Krebs on Security

AUGUST 23, 2024

A core part of the way these things find each other involves a Windows feature called “ DNS name devolution ,” a kind of network shorthand that makes it easier to find other computers or servers without having to specify a full, legitimate domain name for those resources. . that have such misconfigured assets.” He then learned the.ad

DNS 325

DNS Internet Internet Authentication 325

Troy Hunt

JULY 21, 2021

Not only do they control the access rights to the mailbox, they also control DNS and MX records therefore they control the routing of emails. Thirdly and finally, it's up to organisations to self-govern. Now, keep in mind that Ashley Madison's mission statement back then was the same as it still is today: "Life is short.

Accountability 363

Accountability Data breaches Government InfoSec 363

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 Hijacking.

DNS 279

DNS Wireless Risk Banking 279

Security Affairs

JANUARY 19, 2025

CISA adds Aviatrix Controllers vulnerability to its Known Exploited Vulnerabilities catalog ESET detailed a flaw that could allow a bypass of the Secure Boot in UEFI systems Russia-linked APT Star Blizzard targets WhatsApp accounts Prominent US law firm Wolf Haldenstein disclosed a data breach Clop Ransomware exploits Cleo File Transfer flaw: dozens (..)

Spyware 69

Spyware Data breaches DNS Artificial Intelligence 69

SecureList

DECEMBER 18, 2020

In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. These requests contain information about the infected computer; if the attackers deem it interesting enough, the DNS response includes a CNAME record pointing to a second level C&C server. avsvmcloud[.]com” avsvmcloud[.]com”

DNS 76

DNS Telecommunications Malware Encryption 76

Dark Reading

OCTOBER 3, 2018

Alphabet's Jigsaw has released Intra, a free security app that aims to prevent government censorship.

DNS 72

DNS Encryption Government 72

Security Affairs

APRIL 23, 2019

Security expert Marco Ramilli published the findings of a quick analysis of the webmask project standing behind the DNS attacks implemented by APT34 (aka OilRig and HelixKitten ). The group conducts operations primarily in the Middle East, targeting financial, government, energy, chemical, telecommunications and other industries.

DNS 107

DNS Computers and Electronics Penetration Testing Government 107

Fox IT

AUGUST 11, 2022

A recently uncovered malware sample dubbed ‘Saitama’ was uncovered by security firm Malwarebytes in a weaponized document, possibly targeted towards the Jordan government. This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

Hacker Combat

JULY 5, 2021

Further, it also matches the two variants in how the malware executes file encryption and secures command-line disputes. ” Still, unlike FiveHands and HelloKitty, the new ransomware variant relies on a Go-based packer that encrypts its C++ malicious software payload. This malicious software also utilizes Golang to steal data.

Ransomware 133

Ransomware DNS Software Encryption 133

Malwarebytes

DECEMBER 1, 2023

For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. As I explained in the blog DNS hijacks: what to look for , DNS is the phonebook of the internet to the effect that the input is a name and the output is a number.

DNS 103

DNS Internet Internet Encryption 103

Security Affairs

NOVEMBER 9, 2020

The group already targeted in the past the Kuwait government, he also carried out attacks against shipping and transportation organizations. “The Snugy backdoor uses a DNS tunneling channel to run commands on the compromised server.

DNS 133

DNS Accountability Government Cyber Attacks 133

Security Affairs

JUNE 12, 2022

Ransomware gangs are exploiting CVE-2022-26134 RCE in Atlassian Confluence servers HID Mercury Access Controller flaws could allow to unlock Doors Iran-linked Lyceum APT adds a new.NET DNS Backdoor to its arsenal PACMAN, a new attack technique against Apple M1 CPUs Threat actors exploit recently disclosed Atlassian Confluence flaw in cryptomining campaign (..)

Ransomware 144

Ransomware DNS Cybercrime Hacking 144

Troy Hunt

JANUARY 10, 2018

It's operating in an era of increasingly large repositories of personal data held by both private companies and governments alike. Precedents like Stuxnet , created by the US and Israeli governments to damage the Iranian nuclear program by targeting air-gapped centrifuges via 4 previously unknown "zero-day" flaws.

Hacking 279

Hacking Government Encryption Risk 279

eSecurity Planet

SEPTEMBER 3, 2022

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. Types of DDoS Attacks. In 2020 the U.S.

DDOS 145

DDOS DNS Firewall Internet 145

eSecurity Planet

SEPTEMBER 2, 2021

These malicious encryption attacks that take your data hostage are the most financially harmful attacks for companies. It’s not uncommon for most data to remain encrypted or corrupted. DMARC is based on email authentication, and much of the responsibility rests with senders and their DNS text resource records. East Coast.

Ransomware 129

Ransomware DNS Small Business Authentication 129

Daniel Miessler

SEPTEMBER 27, 2020

VPNs encrypt the traffic between you and some endpoint on the internet, which is where your VPN is based. If your VPN includes all DNS requests and traffic then you could be hiding significantly from your ISP. The Government. If you log in at the end website you’ve identified yourself to them, regardless of VPN.

VPN 326

VPN Risk Hacking Encryption 326

eSecurity Planet

SEPTEMBER 17, 2021

Cobalt Strike Beacon Linux enables emulation of advanced attacks to a network over HTTP, HTTPS, or DNS. It’s a DNS-based communication that helps circumvent classic defense mechanisms that focus on HTTP traffic. A New Variant of Cobalt Strike. It provides a console where you can open a beacon session and enter specific commands.

DNS 120

DNS Malware Software Security Awareness 120

SecureList

SEPTEMBER 29, 2021

DNS hijacking. Later this year, in June, our internal systems found traces of a successful DNS hijacking affecting several government zones of a CIS member state. During these time frames, the authoritative DNS servers for the zones above were switched to attacker-controlled resolvers. mail.invest. January 13-14, 2021.

DNS 141

DNS Malware Engineering Encryption 141

Security Affairs

JUNE 24, 2024

Over the past year, ExCobalt targeted Russian organizations in the the following industries: Metallurgy Telecommunications Mining Information technology Government Software development The Cobalt’s hallmark was the use of the CobInt tool , the same tool that ExCobalt began using in 2022.

Cybercrime 118

Cybercrime Telecommunications DNS Technology 118

Malwarebytes

JANUARY 22, 2024

The main targets of the Coldriver group are high-profile individuals in non-governmental organizations (NGOs), former intelligence and military officials, and NATO governments. Their activities are aligned with those of the Russian government, so it’s pretty safe to say that Coldriver is a state-sponsored group.

Social Engineering 113

Social Engineering Government Media DNS 113

Security Affairs

FEBRUARY 18, 2024

Ukrainian national faces up to 20 years in prison for his role in Zeus, IcedID malware schemes CISA: Cisco ASA/FTD bug CVE-2020-3259 exploited in ransomware attacks CISA adds Microsoft Exchange and Cisco ASA and FTD bugs to its Known Exploited Vulnerabilities catalog US gov offers a reward of up to $10M for info on ALPHV/Blackcat gang leaders U.S.

Cybercrime 131

Cybercrime Ransomware Malware Data breaches 131

Cisco Security

JULY 22, 2021

High-profile cyberattacks on critical infrastructure and sectors in the global economy, such as government agencies, a major U.S. Web security: Most ransomware attacks use DNS. Certainly not a new form of cybercrime, but one that has dominated mainstream headlines in recent months. But first, what is ransomware?

Ransomware 145

Ransomware DNS Authentication Cybercrime 145

Security Affairs

JULY 23, 2019

APT15 has been active since at least 2010, it conducted cyber espionage campaigns against targets worldwide in several industries, including the defense, high tech, energy, government, aerospace, and manufacturing. Once executed the command the backdoor returns output through DNS.

Malware 110

Malware DNS Advertising Manufacturing 110

Security Affairs

AUGUST 10, 2020

Our findings show that both Telenor and MPT block websites using DNS tampering. MPT is ignoring the DNS requests to the blocked domains, while Telenor is redirecting them to an IP address outside of the country. The block page uses the domain “ urlblocked.pw ” registered the 26th of March 2020 with a free Let’s encrypt certificate.

Internet 111

Internet Internet Telecommunications DNS 111

Security Affairs

MAY 15, 2023

The highly-targeted attacks aim at organizations in government, aviation, education, and telecom sectors. The instances of the Merdoor backdoor analyzed by the researchers only differ for the embedded and encrypted configuration, which includes C2 communication method, service details, and the installation directory.

Encryption 98

Encryption DNS Phishing Malware 98

Security Affairs

DECEMBER 7, 2019

Russia-linked Gamaredon cyberespionage group has been targeting Ukrainian targets, including diplomats, government and military officials. Russia linked APT group tracked as Gamaredon has been targeting several Ukrainian diplomats, government and military officials, and law enforcement. ” continues the analysis. .

Government 89

Government Advertising Media DNS 89

Google Security

MAY 25, 2023

At Cloudflare, we believe encryption should be free for all; we pioneered that for all our customers back in 2014 when we included encryption for free in all our products. Their technical expertise guarantees they'll be able to scale to meet the needs of an increasingly encrypted Internet," says Matthew Prince, CEO, Cloudflare.

Encryption 91

Encryption Internet Internet DNS 91

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Detect Focus on encryption Assume exfiltration. Also Read: Cybersecurity Becomes A Government Priority. Also Read: How to Prevent DNS Attacks. Old way New way.

Software 120

Software DNS Firmware VPN 120

SecureList

DECEMBER 1, 2023

The targets included government, military, critical infrastructure and IT organizations in Ukraine, Romania, Poland, Jordan, Turkey, Italy and Slovakia. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications. org domain.

Malware 138

Malware Ransomware Encryption Energy and Utilities 138

The Last Watchdog

OCTOBER 19, 2021

The project grew out of discussions between Julian Zawistowski, Andrzej Regulski, and Joanna Rutkowska, and combines their interests and expertise in decentralized computing, computer security engineering, and the economics of networks and governance structures. LW: Is this primarily aimed at enterprises, SMBs or individuals?

Internet 223

Internet Internet Cryptocurrency Software 223

Security Affairs

AUGUST 7, 2019

The group has targeted a variety of industries, including financial, government, energy, chemical, and telecommunications, and has largely focused its operations within the Middle East. T1094) mainly developed using DNS resolutions (which is actually one of the main characteristic of the attacker group).

Computers and Electronics 104

Computers and Electronics Penetration Testing DNS Phishing 104

Security Affairs

JUNE 9, 2022

SentinelOne documented a series of attacks aimed at government, education, and telecom entities in Southeast Asia and Australia carried out by a previously undocumented Chinese-speaking APT tracked as Aoqin Dragon. The APT primary focus on cyberespionage against targets in Australia, Cambodia, Hong Kong, Singapore, and Vietnam.

Malware 98

Malware DNS Encryption Education 98

SC Magazine

FEBRUARY 17, 2021

.” Quad9 is a non-profit offering a free recursive DNS service that does not log user data. It offers additional privacy and security features, including screening for malicious domains and encryption. and Google Public DNS. Other alternatives in the same space include Cloudflare’s 1.1.1.1

DNS 96

DNS Telecommunications Surveillance Data collection 96

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). Virtual private networks (VPNs): Secure remote user or branch office access to network resources through encrypted connections to firewalls or server applications.

Architecture 121

Architecture Network Security Firewall Risk 121

eSecurity Planet

JULY 28, 2021

Permissioned blockchains, or private blockchains,aren’t truly decentralized because they’re organized by a governance structure and authentication process for nodes. Since the 1970s, Public Key Infrastructure (PKI) has offered encryption , authentication, bootstrapping, and digital signatures to secure digital communications.

Cybersecurity 136

Cybersecurity Cryptocurrency Technology Energy and Utilities 136

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 122

Cybersecurity DDOS Penetration Testing Passwords 122

SecureList

MAY 23, 2023

GoldenJackal is an APT group, active since 2019, that usually targets government and diplomatic entities in the Middle East and South Asia. Code snippet used to generate the BOT_ID The resulting BOT_ID is used also to initialize the DES key and IV, which are then used to encrypt communication with the C2. User-Agent: Mozilla/5.0

Malware 144

Malware Encryption Government Technology 144