Cyberspace is a battlefield with no physical or geographic boundaries. During wartime, targets on land, sea, air and space are vulnerable to cyberthreats and opportunities, and nations face many uncertainties about when and how to respond to attacks, says BAE Systems' Miriam Howe.
The role and impact of criminal hackers and volunteer hacktivists in the Russia-Ukraine war has been vastly overestimated, a team of cybersecurity researchers report, based not just on charting distributed denial-of-service attacks and defacements but also on interviews with participants.
Applying international laws used for armed conflicts to the cyber domain remains elusive because of a lack of precedent and poor visibility in cyberspace. This uncertainty and a failure to establish rules means cyber law hasn't grown as other legal fields have, a defense expert says.
Montenegro continues to try and restore government infrastructure disrupted in a recent cyberattack. While a government official said Moscow was likely to blame, the Cuba ransomware gang has since taken credit - at least for an attack on the Balkan country's Parliament, including the theft of data.
The U.S. Cybersecurity and Infrastructure Security Agency has worked closely with the energy and financial sectors in recent months to prevent cyber fallout from the Russia-Ukraine war. CISA Chief of Staff Kiersten Todt says information sharing is crucial for the critical infrastructure industries.
Chinese intelligence is conducting cyberespionage campaigns targeting corporations involved with energy extraction in the South China Sea, researchers say. Proofpoint and PwC conclude with moderate confidence the campaign is the work of the threat actor known as TA423 or Red Ladon.
As ransomware continues to pummel organizations left, right and center, two states have responded by banning certain types of ransom payments, and more look set to soon follow suit. But experts warn such bans could have "terrible consequences," leading to costlier and more complicated recovery.
The recently discovered Russian-linked MagicWeb malware that exploits on-premises Microsoft Active Directory Federated Services servers to persist in compromised systems underscores the benefits of cloud-based infrastructure and a zero trust approach to architecture, security researchers say.
In the latest weekly update, four editors at Information Security Media Group discuss important cybersecurity issues, including implications of the Russia-Ukraine cyberwar, the former CISA director’s somber message to the industry at Black Hat, and how the cryptocurrency landscape is changing.
An Iranian government-backed hacking group known as Charming Kitten has updated its malware arsenal to include an email inbox scraping tool, proof of the group's dedication to developing and maintaining purpose-built capabilities. The tool spoofs the user agent to look like an outdated browser.
In the tit-for-tat world of advanced persistent threats, security measures set by Microsoft such as multifactor authentication are being met by Russian hacking group APT29 with circumvention techniques. Mandiant says it's seeing several new hacking methods by the group, also known as Cozy Bear.
Beleaguered spyware vendor NSO Group is attempting to reboot its corporate image by pledging to only sell its wares to NATO member countries, lay off 10% of its workforce and replace its CEO, as it seeks a buyer. But the company, which remains blacklisted by the U.S., faces an uphill battle.
Domain name registrars track domain name owners via "whois" data, which is a crucial tool for investigators combating cybercrime. But Kroll's Alan Brill says that since the EU General Data Protection Regulation went into effect, many registrars no longer publicly share such information, and that's a problem.
A crowded field of 51 threat groups in the Russia-Ukraine cyberwar has attacked 29 nations - with attacks in Ukraine aimed at "sowing chaos and confusion" on and off the battlefield. This special report covers the tactics, techniques and motivations of threat actors and fallout for other nations.
As the Russia-Ukraine war continues, Ukrainian government cybersecurity official Victor Zhora says that the country's computer emergency response team has tracked more than 1,600 online attacks and that defensively, "wipers continue to be the biggest challenge."
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