RSS ze světa hackingu


New Ransomware Variants Flourish Amid Law Enforcement Actions

Ransomware groups continue to evolve their tactics and techniques to deploy file-encrypting malware on compromised systems, notwithstanding law enforcement's disruptive actions against the cybercrime gangs to prevent them from victimizing additional companies. "Be it due to law enforcement, infighting amongst groups or people abandoning variants altogether, the RaaS [ransomware-as-a-service]…

Datum: 24. 12. 2021

New BLISTER Malware Using Code Signing Certificates to Evade Detection

Cybersecurity researchers have disclosed details of an evasive malware campaign that makes use of valid code signing certificates to sneak past security defenses and stay under the radar with the goal of deploying Cobalt Strike and BitRAT payloads on compromised systems. The binary, a loader, has been dubbed "Blister" by researchers from Elastic Security, with the malware samples having …

Datum: 24. 12. 2021

CISA, FBI and NSA Publish Joint Advisory and Scanner for Log4j Vulnerabilities

Cybersecurity agencies from Australia, Canada, New Zealand, the U.S., and the U.K. on Wednesday released a joint advisory in response to widespread exploitation of multiple vulnerabilities in Apache's Log4j software library by nefarious adversaries. "These vulnerabilities, especially Log4Shell, are severe," the intelligence agencies said in the new guidance. "Sophisticated cyber threat actors…

Datum: 23. 12. 2021

IoT SAFE — An Innovative Way to Secure IoT

By the end of 2021, there will be 12 billion connected IoT devices, and by 2025, that number will rise to 27 billion. All these devices will be connected to the internet and will send useful data that will make industries, medicine, and cars more intelligent and more efficient. However, will all these devices be safe? It's worth asking what you can do to prevent (or at least reduce) becoming a…

Datum: 23. 12. 2021

4-Year-Old Bug in Azure App Service Exposed Hundreds of Source Code Repositories

A security flaw has been unearthed in Microsoft's Azure App Service that resulted in the exposure of source code of customer applications written in Java, Node, PHP, Python, and Ruby for at least four years since September 2017. The vulnerability, codenamed "NotLegit," was reported to the tech giant by Wiz researchers on October 7, 2021, following which mitigations have been undertaken to fix…

Datum: 23. 12. 2021

Researchers Disclose Unpatched Vulnerabilities in Microsoft Teams Software

Microsoft said it won't be fixing or is pushing patches to a later date for three of the four security flaws uncovered in its Teams business communication platform earlier this March. The disclosure comes from Berlin-based cybersecurity firm Positive Security, which found that the implementation of the link preview feature was susceptible to a number of issues that could "allow accessing…

Datum: 23. 12. 2021

China Suspends Deal With Alibaba For Not Sharing Log4j 0-Day First with the Government

China's internet regulator, the Ministry of Industry and Information Technology (MIIT), has suspended a partnership with Alibaba Cloud, the cloud computing subsidiary of e-commerce giant Alibaba Group, for six months for failing to promptly report a critical security vulnerability affecting the broadly used Log4j logging library. The development was reported by Reuters and South China Morning…

Datum: 22. 12. 2021

New Exploit Lets Malware Attackers Bypass Patch for Critical Microsoft MSHTML Flaw

A short-lived phishing campaign has been observed taking advantage of a novel exploit that bypassed a patch put in place by Microsoft to fix a remote code execution vulnerability affecting the MSHTML component with the goal of delivering Formbook malware. "The attachments represent an escalation of the attacker's abuse of the CVE-2021-40444 bug and demonstrate that even a patch can't always…

Datum: 22. 12. 2021

Active Directory Bugs Could Let hackers Take Over Windows Domain Controllers

Microsoft is urging customers to patch two security vulnerabilities in Active Directory domain controllers that it addressed in November following the availability of a proof-of-concept (PoC) tool on December 12. The two vulnerabilities — tracked as CVE-2021-42278 and CVE-2021-42287 — have a severity rating of 7.5 out of a maximum of 10 and concern a privilege escalation flaw affecting the…

Datum: 22. 12. 2021

Tropic Trooper Cyber Espionage Hackers Targeting Transportation Sector

Transportation industry and government agencies related to the sector are the victims of an ongoing campaign since July 2020 by a sophisticated and well-equipped cyberespionage group in what appears to be yet another uptick in malicious activities that are "just the tip of the iceberg." "The group tried to access some internal documents (such as flight schedules and documents for financial plans…

Datum: 21. 12. 2021

Stránky: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505