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Cyberattack is an intentional attempt to compromise computer systems, networks, or digital devices by exploiting vulnerabilities or using malicious software. Common techniques include malware deployment, phishing to steal credentials, ransomware to encrypt data for extortion, and denial-of-service attacks that disrupt availability. These actions aim to gain unauthorized access, manipulate data, or cause operational disruption.

For security professionals, cyberattacks represent critical risks requiring proactive defense measures such as patching known vulnerabilities, monitoring network traffic for anomalies, and enforcing strong authentication. Understanding attacker methods helps prioritize defenses on exposed systems and sensitive data. Effective detection and containment depend on timely threat intelligence and coordinated response to limit damage and restore normal operations.

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Bank Info Security 2 years, 8 months ago

ISMG Editors: Hospitals, Patients Suffer Relentless Attacks

Also: Innovation Amid Israel-Hamas War; Future of Gen AI and Industrial AutomationIn the latest weekly update, editors at Information Security Media Group discuss why a growing number of U.S. and Canadian hospitals have been forced to turn away patients because of cyberattacks, innovations that have surfaced during the Israel-Hamas war and the future of industrial automation.

Bank Info Security 2 years, 8 months ago

Insights From Israel: Guy Shafir, WideOps

Cloud Security Vendor CTO on Response to Cyberattacks on Critical ServicesDDoS and other cyberattacks against media outlets and critical services are what Guy Shafir, CTO of Israeli tech vendor WideOps, has been dealing with since the start of the terrorist attacks in Israel on Oct. 7. Shafir shared details about the response to these intense attacks.

Bank Info Security 2 years, 8 months ago

CISA, FBI Issue New Warning Following Las Vegas Cyberattack

Agencies Release Joint Advisory Urging Organizations to Implement New MitigationsCISA and the FBI released an advisory recommending that critical infrastructure organizations implement a series of recommendations to thwart a unique hacking group known for targeting commercial facilities, as seen in the recent cyberattack targeting MGM Resorts International.

Ransomware Group Says MeridianLink Didn't Tell SEC About Cyberattack Within 4 DaysThe BlackCat ransomware group tattled to U.S. federal regulators about an alleged victim not disclosing a material cyberattack within four business days. The group, also known as Alphv, listed MeridianLink on its data leak site and threatened to leak stolen data.

Bank Info Security 2 years, 8 months ago

Alphv Gang Tattles to SEC About Victim Not Disclosing Breach

Ransomware Group Says MeridianLink Didn't Tell SEC About Cyberattack Within 4 DaysThe BlackCat ransomware group tattled to U.S. federal regulators about an alleged victim not disclosing a material cyberattack within four business days. The group, also known as Alphv, listed MeridianLink on its data leak site and threatened to leak stolen data.

And that's not counting the incoming lawsuits. Thank goodness for insurance, eh? Rackspace's costs from last year's ransomware infection continue to mount: the cloud hosting biz told America's financial watchdog, the SEC, its total expenses to date regarding that cyberattack have now reached about $11 million.…

Russian threat actors have been possibly linked to what's been described as the "largest cyber attack against Danish critical infrastructure," in which 22 companies associated with the operation of the country's energy sector were targeted in May 2023.  "22 simultaneous, successful cyberattacks against Danish critical infrastructure are not commonplace," Denmark's SektorCERT said [PDF]. "The

Zyxel zero days and nation-state actors (maybe) had a hand in the sector’s worst cybersecurity event on record Danish critical infrastructure faced the biggest online attack in the country's history in May, according to SektorCERT, Denmark's specialist organization for the cybersecurity of critical kit.…